Answer:
[tex]\large\boxed{SA=156\pi\ cm^2}[/tex]
Step-by-step explanation:
The formula of a surface area of a cylinder:
[tex]SA=2\pi r(r+H)[/tex]
r - radius
H - height
We have
[tex]r=6,\ H=7[/tex]
Substitute:
[tex]SA=2\pi(6)(6+7)=12\pi(13)=156\pi\ cm^2[/tex]