Question

The height of a right cylinder is 3 times the radius of e base. The volume of the cylinder is 24π cubic units. What is the height of the cylinder?
A. 2 units
B.4 units
C.6 units
D. 8 units

Answer 1

Volume = pi * r^2 * h 
h = 3r
pi * r^2 * (3r) = 24 pi
3r^3 = 24
r^3 = 8
r = 2

 Height = 3*2 = 6 units

 

Answer 2

The correct answer is:

C. 6 units

The height of the cylinder is 6 units.

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