Question #303246

The lateral area of a right cylindrical tank is 48πm2

 and its volume is 72πm3.

 Find the altitude of the tank.


1
Expert's answer
2022-02-28T14:26:33-0500

The lateral area is given by S=2πrhS=2\pi r h while his volume is given by V=πr2hV=\pi r^2 h. We remark that the ratio S2V=4π2r2h2πr2h=4πh\frac{S^2}{V}= \frac{4\pi^2 r^2 h^2}{\pi r^2 h}=4\pi h. This gives us h=S24πV=482π24π272=8mh=\frac{S^2}{4\pi V}=\frac{48^2 \pi^2}{4\pi^2\cdot 72}=8m


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