A cylinder has a radius of 4 centimeters and a height of 40 centimeters

asked Apr 4, 2018 74.6k views

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3 votes

Volume:

$V = b * h \\ V=( \pi r^(2) )*h\\V=(\pi4^(2))*40\\V=640cm^(3)$

Surface Area:
SA = base + base + side
SA =
$2(\pi r^(2))+($ Circumference

SA =
$2(\pi r^(2))+(2\pi r)*h$

$SA=2(\pi(4^(2)))+(2\pi (4))*40\\ SA=32\pi + 8\pi*40\\ SA=32\pi+320\pi \\ SA=352\pi=1005.309cm^(2)$

CorbenDalas answered Apr 9, 2018

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