Mathematics, 28.06.2019 03:00 audreymarie2940
What is the surface area of the cylinder? a.) 9πm²b.) 18πm²c.) 21πm²d.) 13.5πm²
Answers: 1
![\bf \textit{surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=1.5\\ h=1.5 \end{cases}\implies SA=2\pi (1.5)(1.5+1.5) \\\\\\ SA=3\pi (3)\implies SA=9\pi](/tpl/images/0025/6443/0d6ba.png)
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What is the surface area of the cylinder? a.) 9πm²b.) 18πm²c.) 21πm²d.) 13.5πm²...
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