Mathematics, 02.12.2019 12:31 rachel2005smith
Find the surface area of a cylinder that has a raius of 13.5 cm., and a height of 90 cm. show all work without using a calculator.
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=13.5\\ h=90 \end{cases}\implies SA=2\pi (13.5)(90+13.5) \\\\\\ SA=27\pi (103.5)\implies SA=2794.5\pi \implies SA\approx 8779.18](/tpl/images/0399/2880/80371.png)
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Find the surface area of a cylinder that has a raius of 13.5 cm., and a height of 90 cm. show all wo...
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