Question

Please help!!!

Find the lateral surface area of a cylinder with a diameter of 21 inches and a height of 15 inches.

Answer 1

989.6inches^2

Explanation:

A) Radius = You half the diameter so... 21/2

Radius = 10.5

Height = 15

A = 2 x pi x d/2 x h

B) 2 x pi x 21/2 x 15

A = 989.6inches^2