SOLUTION: what is the area of an equilateral 5-sided building, where each face measures 12 feet long?

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Question 763772: what is the area of an equilateral 5-sided building, where each face measures 12 feet long?
Answer by Alan3354(69443) About Me  (Show Source):
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what is the area of an equilateral 5-sided building, where each face measures 12 feet long?
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Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4
= 5%2A12%5E2%2Acot%2836%29%2F4 sq feet
=~ 247.75 sq ft