Find the surface area for a cylinder 12 in tall and has a diameter of 14

Mathematics

1 answer:

satela [25.4K]3 years ago

4 0

Answer:

Step-by-step explanation:

The formula of a Surface Area of a cylinder:

$S.A.=2\pi r(r+H)$

r - radius

H - height

We have H = 12 in na diameter 2r = 14 in → r = 7 in.

Substitute:

$S.A.=2\pi(7)(7+12)=12\pi(19)=228\pi\ in^2$

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