Question

Find the surface area of this cylinder round to the nearest tenth

Answer 1

Explanation:

The surface area of a cylinder is given by

`A = 2\pi r^2 + 2\pi rL`

`\:\:\:\:=2\pi(3\:\text{cm})^2 + 2\pi(3\:\text{cm})(12\:\text{cm})`

`\:\:\:\:= 282.7\:\text{cm}^2`