Homework Help: Math, Geometery

Posted by Ashley on Wednesday, June 13, 2012 at 5:14pm.

Hey Guys I have a problem like on the kids on here.
What is the area of a regular pentagon with a side length of 10 inches and a distance from the center to a vertex of 10 inches?
Round by nearest tenth.
I know you have to use pythagrean therom to solve for vertex of 10 inch. but I am stuck after that.. Thanks

Math, Geometery - Ashley, Wednesday, June 13, 2012 at 5:23pm
A.216.5 sq in.
B.228.5 sq in.
C.242.5 sq in.
D 251.5 sq in.

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