What is the surface area of the following figure and I need work to please and thank you

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asked Mar 3, 2019 182k views

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What is the surface area of the following figure and I need work to please and thank you

What is the surface area of the following figure and I need work to please and thank-example-1

Mathematics
college

Aram Arabyan asked

by Aram Arabyan

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4 votes

the answer is C. 376.8 cm²

Dan Morphis answered Mar 5, 2019

by Dan Morphis

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$\bf \textit{total surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} h=height\\ r=radius\\ -----\\ r=4\\ h=11 \end{cases}\implies SA=2\pi (4)(11+4) \\\\\\ SA=8\pi (15)\implies SA=120\pi$

Gabor Angyal answered Mar 8, 2019

by Gabor Angyal

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