Mathematics, 11.07.2019 05:00 Daryn121504
The volume of a sphere is 972π ft3. what is the radius of the sphere? use the formula v = 4 3 πr3 to find your answer.
Answers: 1
![\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](/tpl/images/0075/9039/2071c.png)
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The volume of a sphere is 972π ft3. what is the radius of the sphere? use the formula v = 4 3 πr3...
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