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vichka [17]
3 years ago
15

The area of a circle is 113.04 in.^2. What is the radius of the circle?

Mathematics
1 answer:
Lelechka [254]3 years ago
5 0
\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
r=radius\\
------\\
A=113.04
\end{cases}\implies 113.04=\pi r^2
\\\\\\
\cfrac{113.04}{\pi }=r^2\implies \sqrt{\cfrac{113.04}{\pi }}=r
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