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Question 15231: What is the measure of each interior angle of a regular pentagon?
Answer by jb007mi6(53)   (Show Source):
You can put this solution on YOUR website! in a regular pentagon, the sides and angles are equal
since there are 5 angles and the whole pentagon has 3 triangles and one triangle is 180 degrees, there are 540 degrees in a pentagon
if X is the # of degrees in one angle of a regular pentagon, you have this equation
5X=540
so each angle is 72 degrees
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