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An octagon is inscribed in a square so that the vertices of the octagon trisect the sides of the square. The perimeter of the square is 108 centimeters. What is the number of square centimeters in the area of the octagon?

tertre  Mar 24, 2018
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See the answer and the method used here:

http://mathcentral.uregina.ca/QQ/database/QQ.09.06/richard1.html

Guest Mar 24, 2018

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