Topic: interior angle list of topics
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26 items are filed under this topic.

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	What do you call a 43-sided polygon?		2020-01-06
		From Alniko: What do you call a 43-sided polygon and what is its interior angle's total measure? Answered by Penny Nom.
	An exterior angle of a parallelogram		2019-11-29
		From A student: one angle of a parallelogram is four times the measure of the exterior angle adjacent to it. find the interior angles Answered by Penny Nom.
	Internal acute angles		2019-04-02
		From karan: Prove that a convex polygon cannot have more than three acute internal angles. Answered by Penny Nom.
	The number of sides of a polygon		2016-07-23
		From Shriya: All the angles of a polygon are either 155° or 140°. There are twice as many angles of 155 °or 140°. Find the number of sides of the polygon Answered by Penny Nom.
	External and interior angles of a regular polygon		2016-04-19
		From pearl: a polygon has n sides.The exterior angle is 8 times the interior angle find the value of the interior angle find the value of n Answered by Penny Nom.
	The interior and external angles of a regular polygon		2016-02-17
		From percy: a regular polygon has n sides .The size of each interior angle is eight times the size of each exterior angle . 1.find the size of each exterior angle 2.calculate the value of n Answered by Penny Nom.
	Interior angles in a parallelogram		2014-08-30
		From xavier: so, one of my math homework questions requires me to know how to find out how to find the interior angles in a parallelogram, the question is, "how many interior angles does a parallelogram have?" Answered by Penny Nom.
	The interior angles of a pentagon		2011-03-10
		From Daima: I need help! The interior angle of a pentagon i s5 ( I hope ) or 540 degrees. The interior angle of a pentagon is what? Explain to me please. Daima Answered by Penny Nom.
	The angles in an m-gon and genrealizations		2010-10-16
		From Michael: Hello: In answer to a student's question, someone named Penny from your organization provided a proof that the sum of the interior angles of a triangle in the plane is pi radians (or 180 degrees). I am interested (and I'm sure many other people would be too) in 3 potential generalizations of this basic fact in plane geometry: Answered by Walter Whiteley.
	The interior angles of a pentagon		2009-04-20
		From Mary: If four interior angles of a five-sided figure pentagon measure 100 degrees each, what will the fifth angle measure? Answered by Harley Weston.
	A flat-topped pyramid		2009-01-10
		From Tom: I am planning to build an open ended, flat-topped pyramid with a rectangular base 28 x 36 in.; a square top 6 x6 in.; and a vertical height of 16 in. I know how to calculate the dimensions of each of the pyramid sides but I don't know how to calculate the interior angles when I bend the sheet metal. I will cut the four sides separately and add a one inch flange to each "vertical" edge of the two larger sides to allow for a bonding surface for the assembly. How do I calculate that angle? I know it will be greater than 90 degrees but by how much? Answered by Harley Weston.
	The angles of a parallelogram		2008-06-11
		From light: ABCD is a parallelogram. If angle A. = (4x=17)degrees and angle B. = (3x-5)degrees , what is angle c? Answered by Penny Nom.
	The interior angles of an 18-sided polygon		2008-06-04
		From Alfred: How do I find the sum of the interior angles of an 18-sided polygon? Answered by Janice Cotcher.
	The interior angles of a parallelogram		2008-01-29
		From amber: the measure of one interior angle of a parallelogram is 42 degrees more than twice the measure of another angle. Find the measure of each angle. Answered by Penny Nom.
	The interior angles of a parallelogram		2008-01-28
		From steffie: How do you calculate the interior angle sof a parallelogram? Answered by Penny Nom.
	How can I find out how many sides there are?		2007-04-23
		From gn: I know the angle measurements of a convex polygon. They are congruent angles. How can I find out how many sides there are? Answered by Steve La Rocque, Penny Nom and Walter Whiteley.
	Interior and exterior angles		2007-04-02
		From Anuj: If in a regular polygon, each exterior angle is twice the interior angle,find the number of sides? Answered by Leeanne Boehm.
	The interior angles of a parallelogram		2007-02-07
		From jenniffeir: Can a parallelogram have two 45 degree angles and two 75 degree angles? Answered by Haley Ess.
	Interior and external angles of a polygon		2006-01-17
		From Anthony: In a regular polygon, the ratio of the interior angles to the exterior angles is 3:1. (a) Find the measure of the interior angle. (b) How many sides are there Answered by Penny Nom.
	Each interior angle of a particular polygon is an obtuse angle...		2005-02-22
		From Victoria: Each interior angle of a particular polygon is an obtuse angle which is a whole number of degrees. What is the greatest number of sides the polygon could have? Answered by Walter Whiteley.
	Interior and exterior angles of a polygon		2004-11-16
		From Aaron: How do you find the measure of interior and exterior angles of a regular polygon when you are given the number of sides? Answered by Walter Whiteley.
	The angles in a regular polygon		2003-12-21
		From Ernie: If i have a measure of one interior angle of a polygon, how can i find the number of sides it has? Answered by Penny Nom.
	A regular polygon		2003-02-26
		From Melissa: The measure of each interior angle of a regular polygon is eight times that of an exterior angle of the polygon. How many sides does the polygon have? Answered by Penny Nom.
	The sum of the angles in a polygon		2001-01-23
		From A student: What is the sum of the measures (interior angles) in an octagon ... heptagon ... decagon. Answered by Penny Nom.
	Angles in Polygons		1999-01-21
		From Jen: How do u find the interior angles of a pentagon when you are given 4 of the angles and you need to find the fifth? If you are given the measure of each exterior angle of a regular polygon, how do you figure out how many sides the polygon has? i need all information on polygons and how to find their angles!!! Answered by Jack LeSage.
	Concurrent Lines in a Triangle		1998-08-10
		From Chris Woolf: The question is Name four types of concurrent lines, rays, or segments that are associated with triangles. Answered by Chris Fisher.

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