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erik [133]
4 years ago
15

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 h

as side lengths equal to 16.35 in. Find the area of the second octagon.
Mathematics
1 answer:
ElenaW [278]4 years ago
5 0
Formula for a octagon:
2(1+ \sqrt{2} ) a^{2}
a = 16.35
2(1+ \sqrt{2} ) 16.35^{2} =1290.75
Area = 1290.75
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