sammy244 sammy244

31-03-2018
Mathematics

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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 you class=

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jdoe0001 jdoe0001

31-03-2018

[tex]\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 [/tex]

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carlos444 carlos444

31-03-2018

the answer is C. 376.8 cm²

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