Mathematics, 03.02.2020 06:49 tasnimsas3
The volume of a? cone-shaped hole is 49 pi ft cubed . if the hole is 3 ft? deep, what is the radius of the? hole?
Answers: 1
![\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ h=3\\ V=49\pi \end{cases}\implies 49\pi =\cfrac{\pi r^2(3)}{3}\implies 49\pi =\pi r^2 \\\\\\ \cfrac{49\pi }{\pi }=r^2\implies 49=r^2\implies \sqrt{49}=r\implies 7=r](/tpl/images/0495/5303/048ff.png)
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The volume of a? cone-shaped hole is 49 pi ft cubed . if the hole is 3 ft? deep, what is the radiu...
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