What is the area of a circle if the circumference is 87.92 cm^2?

Answer 1

circumference is length, not area, so it is 87.92cm, not cm^2.

2πr = 87.92
so, r = 87.92/2π
so, a = π(87.92/2π)^2 = 87.92^2/4π

or, just calculate r and then do πr^2 for the area.

Answer 2

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Answer 3

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