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25-01-2019
Mathematics

contestada

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

Respuesta :

25-01-2019

Answer:

228π in²

Step-by-step explanation:

The formula of a Surface Area of a cylinder:

[tex]S.A.=2\pi r(r+H)[/tex]

r - radius

H - height

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

Substitute:

[tex]S.A.=2\pi(7)(7+12)=12\pi(19)=228\pi\ in^2[/tex]

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