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 60 centimeters. What is the number of square centimeters in the area of the octagon?
+1641 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 60 centimeters. What is the number of square centimeters in the area of the octagon?
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The square side is 15 cm, and the side of an octagon is 5 cm.
Octagon area = 8(2.5 * 7.5) = 150 squared centimeters.
