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vodka [1.7K]
3 years ago
11

The area of a circular trampoline is 115.88 square feet. What is the radius of the trampoline? Round to the nearest hundredth.

Mathematics
1 answer:
charle [14.2K]3 years ago
3 0
\bf \textit{area of a circle}\\\\
A=\pi r^2~~
\begin{cases}
r=radius\\
-----\\
A=115.88
\end{cases}\implies 115.88=\pi r^2
\\\\\\
\cfrac{115.88}{\pi }=r^2\implies \sqrt{\cfrac{115.88}{\pi }}=r
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