tre3731
25.03.2020 •
Mathematics
Identify the area of a regular octagon with side length 13 ft rounded to the nearest tenth.
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Ответ:
Hey there!
Formula for area of an octagon:
A = 2(1 + √2)a²
The variable a is side length.
Plug in 13 for a.
A = 2(1 + √2)13²
Simplify.
A = 2(1 + √2)169
A = 338(1 + √2)
A = 816 ft²
Hope this helps!
Ответ:
Ok just wait a sec I am sending you now