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Diagonals in a polygon 1996-06-18
From Steven:
How many diagonals are there in a polygon?
Answered by Denis Hanson.
Show that this construction yields a rhombus. 1996-06-16
From LennyB:
Hello, I have a problem. I doubt you can help me. If you have an isosceles trapezoid, and you connect the midpoints of the four sides of the isosceles trapezoid forming a quadrilateral, how do you prove that it's a rhombus in a 2 column proof??
Answered by Penny Nom.
a to the power zero 1996-06-03
From Beti:
Why is a number to the power 0 equal to 1?
Answered by Harley Weston.
Prove that these two lines are parallel. 1996-05-29
From Adam Piekarzewski:
Using parallel line theorems and side angle side etc. in triangle acd a line is drawn from point b on ac and point i on ad. another triangle fliped vertically and joined at d is named fdh, a line is drawn from point e on fd and point g on fh. ab = fg, ai = fe, ac || fh prove that bi || eg /- -/
Answered by Harley Weston.
How do you graph these inequalities? 1996-05-17
From Robert:
How do you graph the inequalities 5+gg, and g+h>6 on one coordinate plane?
Answered by Harley Weston and Maxine Stinka.
How do you graph these equations? 1996-04-30
From David Gamble:
How do you graph the equation x=3 on a x,y graph? Also how do you graph f(x)=-3x + 2 on the same graph?
Answered by Harley Weston and Maxine Stinka.
A coin problem 1996-04-16
From Julie Hebert and Simon Hamel:
How many weighings would you need to find out which pile is fraudulent?
Answered by Penny Nom.
An application of Pythagoras' theorem 1996-04-09
From Mike Jones:
We'd like to know what practical applications there may be for the Pythagorean theorem.
Answered by Penny Nom and Maxine Stinka.
Area of an annulus 1996-04-04
From Ryan Levering:
What is the area of this annulus?
Answered by Penny Nom.
Area=Perimeter 1996-04-02
From Jason Pelowski:
When will the area and the perimeter of a right triangle be numerically equal?
Answered by Penny Nom and Maxine Stinka.
Square roots 1996-03-16
From Terry King and John:
We are just curious about how to manually calculate square roots.
Answered by Harley Weston.
The impossible problem 1996-03-15
From Shaun Reynolds and Jacob Hiatt:
How do you solve (the 6th root of x)+4=3?
Answered by Penny Nom and Maxine Stinka.
Cardano's method 1996-03-11
From Mike Gorski:
What is Cardano's method for finding the roots of a cubic equation?
Answered by Harley Weston.
Grade nine problem solving 1996-03-11
From Azmat Hussain:
Can math problems be actually fun and engaging?
Answered by Diane Hanson.
A trig identity 1996-03-11
From Azmat Hussain:
Is there an easier/another way to prove the trig identity cos(a+b) = cos(a)cos(b)-sin(a)sin(b)?
Answered by Penny Nom.
 
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