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Question from Peter, a parent:

Find the length of one side of each regular polygon.

heptagon with an apothem of 15mm and the area=758mm^2

Question

Hi Peter,

In my diagram a is the length of a side of the regular heptagon, C is the centre and P is the midpoint of the side RQ.

heptagon

What is the area of the triangle RQC? The area of the heptagon is 7 time the area of triangle RQC. Solve for a.

Penny

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