SOLUTION: What is the area of a 40-gon with a side length of 4 m?

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Question 966699: What is the area of a 40-gon with a side length of 4 m?
Answer by Alan3354(69443) About Me  (Show Source):
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What is the area of a 40-gon with a side length of 4 m?
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Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4 n=40, s = 4
= 160%2Acot%284.5%29