Find the radius of a cylinder with a height of 8 units and a volume of 32π cubic units.

Question

Now, divide both sides by 8π to get r
2
alone on the right side of the equation.
r=?Area Label Arrow
height = 8
Volume = 32π
Volume
=
Area of base ⋅ Height

V
=
πr
2
·h

32π
=
π · r
2
· 8

32π
=
8π·r
2

8π
8π

=

Answer 1

r^2

r^2 = 4

r = 2

The radius of the cylinder is 2 units.