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Mathematics 7 Online
OpenStudy (anonymous):

A regular octagon has side length 10.9 in. The perimeter of the octagon is 87.2 in and the area is 392.4 in2. A second octagon has side lengths equal to 16.35 in. Find the area of the second octagon. A. 461.60 in2 B. 882.9 in2 C. 717.06 in2 D. 642.66 in2

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