Question

Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches.

A. 705 cu. in.
B. 62.8 cu. in.
C. 6,280 cu. in.
D. 1,570 cu. in.

Answer 1

The volume of a cylinder is given by:
V=πr^2h
thus:
r=5 in, h=20
V=π*5^2*20
V=1,570.796 cu. in
in 3 significant figures it will be:
1,570 cu. in
The answer is D