Guys, please please help me

asked Nov 8, 2020 18.5k views

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5 votes

Answer:

508.68

Explanation:

Upper and lower surfaces of the cylinder:

$\pi r^(2) =9\pi \\S=2*9\pi =18\pi$

Side area of the cylinder:

$S=sh=\pi dh=6\pi *3*8=144\pi$

The total area:

$S=114\pi +18\pi =162\pi =162*3.14=508.68$

John Donnelly answered Nov 13, 2020

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