Find the surface area of a cylinder with radius five and height four

Alanc Liu asked Feb 14, 2023

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20 votes

Alanc Liu asked Feb 14, 2023

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12 votes

It is given that the radius is 5 and height is 4.

To determine the surface area of cylinder

$S=2\pi rh+2(\pi)r^2^{}$
$S=2\pi*5*4+2\pi*5*5=40\pi+50\pi=90\pi$

Hence the correct option is b.

GuidoS answered Feb 21, 2023

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