88 items are filed under this topic.
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The height of a right triangle |
2021-12-15 |
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From Slash:
hi how can i find the height of a triangle from the hypotenuse and base. please
go into some details with some steps because it is hard to understand. thanks
Answered by Penny Nom. |
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The circumcentre of a triangle |
2016-07-28 |
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From Raj:
If the vertices of triangle ABC are A(-4,-1) B(1,2) C(4,-3) then find coordinates of circumcentre of triangle
Answered by Penny Nom. |
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A congruence theorem for two right angled triangles |
2016-07-17 |
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From Sayari:
Hello.
Is it possible for two right angled triangles to have the same length of base and height and a different hypotenuse? If not so, then why in the congruence criteria RHS the hypotenuse is given more importance? It can also be like- 'two triangles are congruent if they are right angled and have the same base and height.'
Thank You.
Answered by Penny Nom. |
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An isosceles right triangle |
2015-05-17 |
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From Ari:
In a 45-45-90 triangle find the ratio of a leg to the hypotenuse
Answered by Penny Nom. |
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A right triangle |
2014-12-13 |
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From Katie:
the shorter leg of a right triangle measures 2 feet less than the longer leg. the hypotenuse measure 10 feet. find all three sides
Answered by Penny Nom. |
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A wire is bent to form a right triangle |
2014-09-25 |
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From Lorena:
A wire 24 dm is bent to form a right triangle. The ratio of the shorter leg to the hypotenuse is 3:5. Find the length of the longer leg?
Answered by Penny Nom. |
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Is this a right triangle? |
2014-04-01 |
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From amina:
decide whether or not the following points are the vertices of right triangle (-9,2),(-1,-2),(-9,11)
Answered by Penny Nom. |
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A circle inscribed in a right triangle |
2014-03-16 |
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From akshaya:
A circle with centre O and radius r is inscribed in a right angled triangle ABC. If AB=5 cm, BC=12 cm and < B=90*, then find the value of r.
Answered by Penny Nom. |
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What are the possible lengths of the hypotenuse? |
2014-03-07 |
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From audrey:
The three sides of a right angles triangle measure x-2, x+5, and 2x-1 in length.
What are the possible lengths of the hypotenuse?
... I'm doing the equation c2=a2+b2 and subbing in the numbers but nothing makes sense
Answered by Penny Nom. |
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The area of a right triangle |
2013-04-10 |
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From derek:
The legs of a right triangle measure 4 and 6 inches. The area of the triangle is
Answered by Penny Nom. |
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A shortest distance problem |
2013-03-28 |
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From LYNDELL:
I have a right triangle and know the length of all sides. How do I calculate the shortest distance from the vertex of the 90 degree angle to the hypotenuse?
Answered by Penny Nom. |
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Three right triangles |
2012-07-26 |
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From Jora:
I am having a lot of difficulties with this question.
Name: Jora
Subject: Math
Who are you: Student
Answered by Chris Fisher. |
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The area of a right triangle |
2012-04-03 |
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From Shelli:
How do you find the area of a right triangle if you only know that the hypotenuse is 10 and that the base and height are unknown but are equal?
Answered by Penny Nom. |
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The 3, 4, 5 right triangle |
2011-11-15 |
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From rishil:
to the nearest degree,what is the measure of the smalles angle in a rightt triangle with sides of length 3,4 and 5?
Answered by Penny Nom. |
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A right angled triangle |
2011-10-31 |
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From bijo:
how can i find the tangent point at a circle with origin as center with radius r and the tangent pass through a given point P? I also want to find out the third point of a right angled triangle given other two points?
Answered by Chris Fisher. |
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A right angled triangle |
2011-04-22 |
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From jeremy:
Solve the right triangle with the given sides and angles. a=3.0 cm and b=1.6 cm
Answered by Penny Nom. |
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The volume of a smokestack |
2011-01-13 |
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From tom:
The outer protective smokestack of a steamship is streamlined so that it has
uniform oval section parallel to the deck. The area of this oval section is
48 sq. ft . If the length of the stack is 15 ft. and the stack is raked aft so
that its axis at its upper end is horizontally 4.2 ft from the lower end, find
the volume enclosed by the stack.
Answered by Penny Nom. |
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The hypotenuse |
2010-02-27 |
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From Dannielle:
how do you find the hypotenuse if a=8 and b=6?
Answered by Penny Nom. |
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The other two sides of a right angle triangle |
2010-02-09 |
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From ayesha:
how to find the other two sides of right angle triangle when length of one side and angle of other side is given i.e 45
Answered by Penny Nom. |
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Truncated Octagonal Prism |
2009-12-26 |
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From freitas:
the top plane of the truncated octagonal right prism is 45 degree with respect to horizontal. find the volume
Answered by Janice Cotcher. |
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A pile of sand |
2009-12-16 |
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From Malik:
Sand is leaking out of a hole at the bottom of a container at a rate of 90cm3/min. As it leaks out, it forms a pile in the shape of a right circular cone whose base is 30cm below the bottom of the container. The base radius is increasing at a rate of 6mm/min. If, at the instant that 600cm3 have leaked out, the radius is 12cm, find the amount of leakage when the pile touches the bottom of the container.
Answered by Harley Weston. |
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The hypotenuse of a right triangle |
2009-10-18 |
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From steven:
the perimeter of a right triangle is 20 cm. its area is 15 sq cm. find its hypotenuse.
Answered by Penny Nom. |
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A right triangle |
2009-10-12 |
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From Josseph:
A right triangle has an area of 84ft sq. and a hypotenuse 25ft long. What are the lengths of the other two sides?
Answered by Penny Nom. |
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The maximum number of right angles in a polygon |
2009-10-05 |
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From Bruce:
Is there way other than by trial and error drawing to determine the maximum number of right angles in a polygon? Secondary question would be maximum number of right angles in a CONVEX polygon. Is there a mathematical way to look at this for both convex and concave polygons? Or are we limited to trial and error drawing?
Answered by Chris Fisher. |
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A right-angled triangle |
2009-10-02 |
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From Hunter:
The three sides of a right-angled triangle measure x-1, x+6, and 2x+1 in length.
What are the possible lengths of the hypotenuse?
Answered by Penny Nom and Melanie Tyrer. |
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I'm building a fence at my house. |
2009-05-24 |
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From dylan:
I'm building a fence at my house. If my hypotenuse is 50ft, what are the lengths of my other two legs?
Answered by Penny Nom. |
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The hypotenuse of a right angled triangle |
2009-05-11 |
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From Deb:
Find the length of the hypotenuse of a right angled triangle with one leg 7 cm longer than the other and the hypotenuse 2 cm longer than the longer leg. I've ended up with the hypotenuse = x+9, another side = x and the other side = x+7. what do i do next?
Answered by Penny Nom. |
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The height of a right triangle |
2009-04-17 |
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From drakkar:
how do i find the height of a right triangle that in 176 feet in area
Answered by Penny Nom. |
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The angles of a triangle |
2009-03-11 |
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From Marissa:
The angles in a triangle measure 7x-1, 18x+2, and 5x+10. Determine whether the
triangle is acute, obtuse, or right. State your reasons clearly.
Answered by Robert Dawson. |
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A right angle |
2009-03-09 |
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From bill:
I am a cotractor & i am laying out some piers in an L shape i need to know how to tell if they are square one side of my L is 18 feet the other is 11 feet 6 inches what is the formula to find out what the distance from point to point should be for square . I appreciate any help u can give me thank you
Answered by Penny Nom. |
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The height of a right triangle |
2009-03-08 |
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From Anah:
Could you please tell me the formula for me to calculate the height of a triangle. I have the angles and side lengths. I am trying to calculate the height of an right triangle, the dimensions are as follows:
The Base/Hypotenuse is: 8x
Side A is 2x.
Side B is 2x.
Answered by Harley Weston. |
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Is ACB a right angle? |
2009-03-02 |
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From racheal:
how to i prove angle ACB is not a rt. angle when given AT=BT=5;CT=4 in a indirect proof?
Answered by Robert Dawson. |
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The third vertex of a right triangle |
2008-12-10 |
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From prashant:
how to calculate coordinates of third vertex in a right angle triangle given the coordinates of hypotenuse as (1,3) and (-4,1)
Answered by Robert Dawson. |
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The height of a right triangle |
2008-10-06 |
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From David:
Could you please tell me the height of a right angle triangle when the base measurement is 4930mm and the base/hypotenuse angle is 10 degrees.
this will help a lot.
Answered by Harley Weston. |
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A right triangle |
2008-09-25 |
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From john:
a right triangle has hypotenuse wich measures 20cm and a perimeter 47cm. find the measure of the remaining two sides
Answered by Harley Weston. |
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The perimeter of a right triangle |
2008-09-09 |
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From Shanon:
I know that A=1/2bh, but for the life of me cannot figure out my 6th graders math problem.
What is the perimeter of a right triangle whose area = 600 sq. ft.
Answered by Victoria West. |
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A right prism with a square base |
2008-06-13 |
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From Malik:
Question from Malik:
A company wants to alter the dimension of container. The new container is in the shape of right prism equivalent to the current one.
The current container has height of 12cm and square base. The new container has also square base, but in the dimension base is increased by 3cm and height is decreased by 5cm.
if the cardboard is used to manufacture the new container, what area of cardboard is used to make new container?
Answered by Penny Nom. |
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A right angled triangle |
2008-05-16 |
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From bryan:
The sides of a right angled triangle are x, x+1, x+2 cm. Find the perimeter.
Answered by Penny Nom. |
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The area of a right triangle |
2008-03-19 |
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From Tate:
I need to find the area of a right triangle. I already know that the formula would be a squared + b squared = c squared. However, I only have the length of the hypotenuse and the base.
Answered by Victoria West. |
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A right triangle |
2008-02-25 |
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From Ali:
The length of a hypotenuse of a right triangle is 2 metre more than the longer leg. The length of the longer leg is 7 metre more than the length of the shorter leg. Find the number of metre in length of each side of the right triangle.
Answered by Stephen La Rocque. |
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Two right triangles |
2008-02-18 |
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From Amy:
Hi, I have a problem that has me stumped.
There are two right triangles that share the same adjacent side (AB) which
is 240'. The right angles of each triangle are at the opposite ends of the
shared side.
The Opposite side (AC) of Triangle ABC is 180'
and the Hypotenuse (CB) is 300'.
The Opposite side (BD) of Triangle ABD is 100'
and the Hypotenuse (AD) is 260'.
How do I figure out where the hypotenuses intersect?
Answered by Stephen La Rocque and Harley Weston. |
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The area of a right triangle |
2008-02-18 |
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From ASHLEY:
WHAT IS THE AREA OF A RIGHT TRIANGLE? WITH THE SHORT SIDE
BEING 16 AND THE HYPOTENUSE 20?
Answered by Penny Nom. |
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Classifying a triangle |
2008-02-07 |
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From kevin:
scalene triangle 8 ft base right side 9.5 left side 12 ft what is the angles
Answered by Penny Nom. |
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How tall is the pole? |
2008-01-13 |
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From Michael:
If a 25 foot cable is attached to the top of a pole, and that cable
attaches to the ground ten feet away from that pole, how tall is the pole?
The 25 foot cable is the hypotenuse of a right triangle with a base of
ten feet.
Answered by Leeanne Boehm and Penny Nom. |
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A right triangle |
2007-12-06 |
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From Shubhomoy:
The co-ordinates of a hypotenuse are (1,3) and (-4,1). Find the equations of the perpendicular sides.
Answered by Harley Weston. |
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A right angle triangle |
2007-11-02 |
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From PRAIMNAUTH:
In a right angle triangle , knowing one angle (90 degree ) and the length of the base, how can you calculate the hight and the hypotenuse ?
Answered by Penny Nom. |
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Finding equations, intersection point of two lines at right angles |
2007-09-22 |
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From Yaz:
Find the equation of the line joining A(-1,-9) to B(6,120). Another line passes through C(7,-5) and meets AB at rigth angle of D. Find the euation of CD and calculate the co-ordinates of D.
Answered by Stephen La Rocque. |
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A right angles triangle |
2007-09-05 |
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From Daryl:
I have a right-angled triangle. two of its sides are 12.6cm. The third/last line is missing. How can I find the length of the last line?
Answered by Stephen La Rocque and Penny Nom. |
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A right triangle |
2007-08-11 |
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From Peter:
Ok, is it possible to find the height and base of a right triangle when all the information you are given is the length of the hypotenuse?
I also know that the angle between side b and the hypotenuse is 45 degrees. please help.
Answered by Walter Whiteley. |
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Using the Pythagorean Theorem |
2007-06-18 |
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From cynthia:
Hi,
If I have a question with a right triangle and it asks....
If ABC is say 400 miles. How much shorter will the miles be if I travel
from BC?
I don't exactly remember the question but, I would I solve a problem
similiar to this one?
Answered by Stephen La Rocque. |
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Is a square also a right trapezoid? |
2007-05-24 |
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From Don:
Is a square also a right trapezoid?
Answered by Stephen La Rocque. |
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A right triangle |
2007-04-05 |
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From Lee:
What would be the length of the long side of a right angle triangle if one side was 47cm and the other was 56cm.
Many Thanks
Answered by Steve La Rocque and Jaymi Peterson. |
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What is the hypotenuse of a right traingle |
2007-04-04 |
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From debbie:
what is the hypotenuse of a right triangle with sides of 38 meters and 24.2 meters.
Answered by Stephen La Rocque. |
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The angles in a right triangle |
2007-03-28 |
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From Golaan:
I need the to understand the formula for finding either of the acute angles of a right triangle given it's hieght length and base length.
I want to find the degrees of either accute angle. So for this example I have a right triangle with a height of 410 meters and a base length of 1,700 meters.
I don't understand cosine, sine, and tangent or the other ones at all. So if the solution includes those (which I believe it does) could b very verbose yet in a very elementary way?
The purpose of ths is that I have to define the general incline angles (or grade) of various areas of terrain. I know the distance by map and also the the altitude at either endpoint.
Answered by Penny Nom. |
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The three sides of a right triangle |
2007-02-23 |
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From Sharon:
I know the hypotenuse of a right triangle is a^2 + b^2 = c^2 but when I replace this with the numbers given, I can't solve it.
Here is my question: The hypotenuse of a right triangle is 2.8 units long. The longer leg is 1.9 units longer than the shorter leg. Find the lengths of the sides of the triangle.
Answered by Pam Fowler and Penny Nom. |
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The perimeter and area of a right angled triangle |
2007-01-31 |
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From Naveen:
I need to calculate the area of a right angled triangle. However the measurements of the 3 sides is missing. All we are told is that the perimeter of the triangle is 1000cm.
Answered by Penny Nom. |
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Height of a right triangle? |
2007-01-29 |
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From Engelbert:
The base of the right triangle is 50 ft. At the angle (on the base of the triangle) across from the right angle is labeled portion (a triangle within a triangle), the base of this little triangle is 10 ft. and the height is 6 ft. What equation can i use to solve this?
Answered by Steve La Rocque and Haley Ess. |
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A right triangle |
2007-01-29 |
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From Tayler:
One leg of a right triangle is 8 cm. less than the hypotenuse while the other leg is 1 cm. less than the hypotenuse. Find the length of the hypotenuse.
Answered by Penny Nom. |
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One leg of a right triangle |
2007-01-11 |
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From Eric:
I have a right triangle and the only known leg is one leg adjacent to the right angle. The question is how to find either of the other angles?
Answered by Penny Nom. |
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A right angled triangle |
2006-11-22 |
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From Siddhartha:
area of a right angled triangle OAB where OA = 5 and OB = 3
Answered by Penny Nom. |
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The hypotenuse |
2006-10-02 |
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From Ashley:
How do you find the hypotenuse of a right triangle? I don't understand how to find c.
Answered by Stephen La Rocque. |
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The interior angles of a right triangle |
2006-05-20 |
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From Greg:
I am wondering if there is a way to figure out the interior angles of a right triangle if we know ONLY the side lengths, and the trick is, we CANNOT use arctangent!
Answered by Leeanne Boehm and Penny Nom. |
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Right angles |
2006-01-25 |
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From AshLee:
I was recently given a challenge in my Algebra class. My teacher wanted to know about a right angle. He said he would give five bonus points to the person that could bring in information. (I know five bonus points may not seem like a lot but in this class, they are.) I looked on this site and I found out why it was called a right triangle, but my teacher want to know where did that theory come from. I was wondering too... not just because of the bonus points.
Answered by Penny Nom. |
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How do I find the area with only one sides measurement? |
2006-01-10 |
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From Amy:
If you have a right triangle with the 90 degree angle located in the bottom left corner and the triangles most sloped line goes from the top left down to the right bottom. And the length of the slope line is 10(radical sign)with the radicand of 2. How do i find the area with only one sides measurement.
Answered by Penny Nom. |
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The height of a right triangle |
2005-12-21 |
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From Sanmantha:
I am trying to solve for the height of a right triangle. The base is .05 mm, and the apex is 0.5 degrees. I vaguely recall from high school that this should be enough information to solve for height, but I can't remember what equation(s) to use.
Answered by Penny Nom. |
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A right triangle |
2005-05-18 |
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From Bill:
If I know the base and the slanted side of a right triangle, how do I figure out the height?
Answered by Penny Nom. |
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A right triangle |
2004-11-24 |
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From Bruce:
In triangle ABC.
Angle ABC is 90 degrees.
Side AB measures 34.
Side BC measures 31.
What does side AC measure?
Answered by Penny Nom. |
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A 30-60-90 triangle |
2004-11-09 |
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From Amy:
How do you find the length of the hypotenuse of a 30-60-90 triangle when the side opposite the 60 degree angle is 6 inches?
Answered by Penny Nom. |
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The hypotenuse of a right triangle |
2004-09-20 |
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From Shannon:
I am trying to find the hypotenuse of a right triangle with only the length of the opposite side. What is the formula as I don't have the length of the adjacent side? Can I compute it without knowing what the other two angles are?
Answered by Penny Nom. |
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Volume of a tube |
2004-01-14 |
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From Mike:
where can you find how to get volume of a tube:
3 in across x 3 inch high
5 in across x 5 inch high
same formula for both. ONE will get the other.
Answered by Penny Nom. |
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8 faces, 12 vertices, and 18 edges |
2003-04-22 |
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From Thomas:
I would like to know the proper name for this geometrical solid. It has 8 faces, 12 vertices, and 18 edges?
Answered by Penny Nom. |
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A right-angled triangle |
2001-12-13 |
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From Pamela, Jeff, Kayleigh and Jacob:
A right-angled triangle has one side that is 8 cm shorter that the hypotenuse. The other side is 1 cm shorter than the hypotenuse. Find the length of the sides.
Answered by Penny nom. |
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A right angled triangle |
2001-10-23 |
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From Carissa:
How do you : Triangle ABC is right-angled at A. Calculate the length of the third side if b = 3 and c = 6, express the answer as a surd in its simplest form.
Answered by Harley Weston. |
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Prisms |
2001-04-10 |
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From A fourth grade class:
A fourth grade class is curious about the names that have been given to various solid geometric figures based on their shapes: are there names for solids based on a rhombus, a trapezoid, a parallelogram, a decagon, and/or a quadralateral?
Answered by Chris Fisher. |
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The hypotenuse of a right triangle |
2001-01-22 |
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From Phillipe:
How do you find the hypotenuse of a right triangle?
Answered by Penny Nom. |
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Is this a right triangle? |
2000-12-08 |
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From Alicia:
How would you set-up and answer a problem like these one? Triangle ABC has vertices A(-2,2), B(1,-2), and C (1,2). Use slopes to determine if the triangle is a right triangle.
Answered by Penny Nom. |
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Connecting to a water line |
2000-10-20 |
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From Vanja:
My question is...A house is to be connected to a new water main that runs along the line y=2/3x-1. The connection point at the house has coordinates (2,9), where the units represent metres. What lenght of plastic pipe is needed to connect to the water main at the closest point?
Answered by Penny Nom. |
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The pythagorean theorem |
2000-05-19 |
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From Lauren Fitzgerald:
how do you find the length of th hipotnuse( or however you spell that word). i understand you have to add the two sides. but when i do add i always end up with this way off answer. i donot understand at all.
Answered by Paul Betts. |
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Monica's geometry problem |
2000-04-27 |
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From Monica:
Given: ABCD is a square; AX is perpendicular to BY
Prove: Angle 1 is congruent to Angle 3
Answered by Chris Fisher. |
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Why a Right angle? |
2000-04-03 |
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From Joseph Mizerek:
I was wondering why a 90 degree angle is called a Right angle. I mean why isn't called a left angle.
Answered by Haragauri Gupta. |
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Pythagorean Triples. |
1997-12-04 |
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From Shameq Sayeed:
I've got a couple of problems which I hope you'll be able to solve for me. I'm investigating pythagorean triples, and I have found a trend for the triples themselves, and thus have been able to form a general equation, i.e. a=2x+1, b=2x^2+2x, and c=b+1. Now, I sure this equation works, because I've tried it out and have come up with triples that adhere to a^2 + b^2 = c^2. But I was wondering WHY c=b+1. Is it possible to have c=b+2, and if not why not? THAT is the first problem.
Answered by Chris Fisher. |
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A Geometry Problem |
1997-09-18 |
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From Rebecca Henry:
A circle is centered at the vertex of the right angle of an isosceles triangle. The cirlce passes through both trisection points of the hypotenuse of the triangle. If the length of a radius of the circle is 10, find the area of the triangle.
Answered by Chris Fisher Harley Weston. |
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The Area of a Trapezoid. |
1997-05-07 |
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From Mary George:
I am doing the area of trapezoids and mixed polygons and I was wondering if you can help me figure out this problem. A line segment drawn parallel to a leg of a right triangle divides the other leg into segments of 3cm and 6 cm and the hypotenuse into segments of 5cm and 10 cm. The two figures formed are a triangle and a trapezoid. Find the area of each. I would appreciate if you would email me back the solution.
Answered by Harley Weston. |
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A Geometry Problem |
1997-04-09 |
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From Gina M. Pisco and Rebecca Henry:
Three segments of 3, 4, and 5 inches long, one from each vertex of an equilateral triangle, meet at an interior point P. How long is the side of the triangle?
Answered by Richard McIntosh. |
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Triangles, The Pythagorean Theorem and Pizzas. |
1997-02-23 |
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From Sherryle Mathis:
I am a graduating senior presently teaching geometry as part of my student teaching. I will do my CUP on Right Triangles and Pythagorean theorem. I am looking for a fun activity as part of my unit plan.
Answered by Walter Whiteley. |
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A triangle problem |
1996-12-19 |
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From S. Johnson:
Given that Triangle ABC is a right triangle and Circle O is inscribed in it find the radius of Circle O, totally in terms of a, b, and c.
Answered by Penny Nom. |
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An application of Pythagoras' theorem |
1996-04-09 |
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From Mike:
We'd like to know what practical applications there may be for the Pythagorean theorem.
Answered by Penny Nom and Maxine Stinka. |
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Euclid's Pythagorean proof |
1996-02-14 |
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From Sean:
What is Euclid's proof of Pythagoras' theorem?
Answered by Harley Weston. |
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