stariamCaamba stariamCaamba

13-10-2016
Mathematics

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Find the area of a regular octagon with an apothem 9.7 meters long and a side length of 8 meters.

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HomertheGenius HomertheGenius

23-10-2016

The area of a regular octagon is:
A = a * P / 2, where a is an apothem and P is a perimeter.
P = 8 * 8 m = 64 m
A = 9.7 m * 64 m / 2
A = 620.8 / 2 m²
A = 310.4 m²
Answer:
The area of a regular octagon is 310.4 m².

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