hordesowderneo8x7

2023-02-24

Find the area of a circle whose circumference is $8\pi$.

dotovat1d1n

So, $A=\pi ×{r}^{2}$
Given this, $r=\frac{C}{2\pi }=\frac{8\pi }{2\pi }=4$
$A=\pi ×{4}^{2}=16\pi$

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