Question 298509
What is the area of a 15-gon with a perimeter of 90ft?
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s = 90/15 = 6 (length of each side)
The area of any regular polygon with n sides of length s is:
{{{Area = ns^2*cot(180/n)/4}}}
{{{A = 15*36*cot(12)/4}}}
A = 135/tan(12) =~ 635.125 sq ft