# Math Help - Surface area of cylinders (I really need help fast)

1. ## Surface area of cylinders (I really need help fast)

What is the formula for finding the area of a circle?

2. Originally Posted by lowriding 4 life
What is the formula for finding the area of a circle?
$
A_{circle}=\pi r^2
$
.

Curved surface area of cylinder:

$
A_{cylinder\ curved}=2\pi\ r. h
$