The surface area of a cylinder, without the ends, is `LA=2pirh`

Since the cylinder is a right circular cylinder, we can draw a right triangle. Select a point on one of the ends. Draw a diameter from this point. From the point draw a segment perpendicular to the diameter to the other end of the cylinder.

The right triangle will have sides 2r,h, and 8. (2r since it is a...

(The entire section contains 208 words.)

## Unlock This Answer Now

Start your **48-hour free trial** to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Already a member? Log in here.

Posted on