SOLUTION: what is the area of a regular pentagon with the perimeter of 50cm

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Question 302935: what is the area of a regular pentagon with the perimeter of 50cm
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
For any regular polygon with n sides of length s:
Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4
Area+=+5%2A2500%2Acot%2836%29%2F4
Area+=+3125%2Acot%2836%29 sq cm