SOLUTION: Find the area of a regular 20-gon with sides of length 26. (Round to 2 decimal places)

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Question 728726: Find the area of a regular 20-gon with sides of length 26. (Round to 2 decimal places)
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Find the area of a regular 20-gon with sides of length 26. (Round to 2 decimal places)
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n = # of sides, s = side length

= 3380*cot(9) sq units
=~ 21340.48 sq units

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