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The volume of a sphere is found using the formula . If the volume of a sphere is 36 , what is the radius, in feet?



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Ryan2
[tex]V=\frac{4}{3}.\pi.r^3\\ \\ \frac{4}{3} \pi.r^3=36\\ \\ 4 \pi r^3=108\\ \\ r^3=\frac{108}{4 \pi}=\frac{27}{\pi}\\ \\ r =\sqrt[3]{\frac{27}{\pi}}= \frac{3}{1,46} \approx 2,05 \ ft[/tex]

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