Mathematics, 26.10.2019 13:43 haymish5810
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the radius of a cylinder is 3.5 ft. the height is 14 ft. find the surface area and volume of the cylinder to the nearest tenth of a foot. show your work.
Answers: 2
![\bf \textit{surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=3.5\\ h=14 \end{cases}\implies SA=2\pi (3.5)(14+3.5) \\\\\\ SA=7\pi (17.5)\implies SA=122.5\pi \implies SA\approx 384.845\implies \stackrel{\textit{rounded up}}{SA=384.85}](/tpl/images/0347/5131/29655.png)
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