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andreev551 [17]
3 years ago
11

The volume of a sphere is 972π ft3. What is the radius of the sphere? Use the formula V =

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0

\bf \textit{volume of a sphere}\\\\
V=\cfrac{4\pi r^3}{3}~~
\begin{cases}
r=radius\\[-0.5em]
\hrulefill\\
V=972\pi \end{cases}\implies 972\pi =\cfrac{4\pi r^3}{3}\implies (3)972\pi =4\pi r^3
\\\\\\
\cfrac{(3)972\pi }{4\pi }=r^3\implies 729=r^3\implies \sqrt[3]{729}=r\implies 9=r

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