Question

What is the surface of the cylinder radius of 6 height of 7.

Answer 1

`\large\boxed{SA=156\pi\ cm^2}`

Explanation:

The formula of a surface area of a cylinder:

`SA=2\pi r(r+H)`

r - radius

H - height

We have

`r=6,\ H=7`

Substitute:

`SA=2\pi(6)(6+7)=12\pi(13)=156\pi\ cm^2`