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notsponge [240]
3 years ago
14

What is the area of the following circle? D = 8

Mathematics
1 answer:
Darya [45]3 years ago
3 0

if the diameter is 8 units, then the radius is half that or 4.

\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ \cline{1-1} r=4 \end{cases}\implies A=\pi 4^2\implies A=16\pi \implies A\approx 50.27

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Explanation:
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