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Find the area of of a regular octagon with side length 20 cm.
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Find the area of of a regular octagon with side length 20 cm.
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Nov 18, 2022
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Find the area of of a regular octagon with side length 20 cm.
Mathematics
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Yinglin
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A=2(1+
)a^2=2·(1+
)·20^2≈1931.37085cm²
Lugeno
answered
Nov 23, 2022
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Lugeno
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)a^2=2·(1+)·20^2≈1931.37085cm²