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]
