Question

What is the lateral area of the cylinder?
A. 515.01 ft.2
B. 615.85 ft.2
C. 622.04 ft.2
D. 625.25 ft.2

Answer 1

Lateral area = circumference of circular  end * length

=  pi * diameter * length

= 22 * pi * 9

= 198 pi

= 622.04 ft^2  answer   Its C