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

• May 23rd 2006, 08:32 PM
lowriding 4 life
Surface area of cylinders (I really need help fast)
What is the formula for finding the area of a circle?
• May 23rd 2006, 08:44 PM
CaptainBlack
Quote:

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
$