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Alexandra [31]
2 years ago
14

Calculate the area of a regular octagon with the side length of 9 feet

Mathematics
1 answer:
ankoles [38]2 years ago
7 0

Answer:

A ≈ 391.1 feet

formula to find the area of an octagon is shown below

area = 2(1 +  \sqrt{2} )a { }^{2}

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