Can someone help me find the area of this circle and round to the nearest tenth

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asked Jul 2, 2020 4.8k views

4 votes

Can someone help me find the area of this circle and round to the nearest tenth

Mathematics
middle-school

Rod Burns asked

by Rod Burns

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1 Answer

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the circle has a diameter of 12, thus its radius is half that, or 6.

$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=6 \end{cases}\implies A=\pi 6^2\implies A=36\pi \\\\\\ A \approx 113.0973355\implies A=\stackrel{\textit{rounded up}}{113.1}$

Ming Slogar answered Jul 8, 2020

by Ming Slogar

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