makalanharrison
07.03.2020 •
Mathematics
Find the area of a regular octagon with an apothem of 7 inches and a side length of 5.8 inches. Round to the nearest tenth.
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Ответ:
162.4283 in^2 (hope this is correct!)
Step-by-step explanation:
Area using side length only.
n = 8
Area = n (s/2)^2 / tan( π /n)
= 8(5.8/2)^2 / tan ( π /8)
= 162.4283 in^2
Ответ:
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