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Kipish [7]
3 years ago
13

A cone with a radius of 12 cm and a height of 12 cm has the same volume as a cylinder with a radius of 8 cm. What is the height

of the cylinder?
A) 3 cm
B) 6 cm
C) 9 cm
D) 12 cm
Mathematics
2 answers:
Viefleur [7K]3 years ago
7 0

Answer:

The correct option is C. The height of the cylinder is 9 cm.

Step-by-step explanation:

The radius of cone is 12 cm and the height of cone is 12 cm.

The volume of cone is

V=\frac{1}{3}\pi r^2h

V_1=\frac{1}{3}\pi (12)^2(12)

V_1=576\pi

The radius of cylinder is 8 cm. The volume of cylinder is

V=\pi r^2h

V_2=\pi (8)^2h

V_2=64\pi h

It is given that the volume of cone and cylinder is same.

V_1=V_2

576\pi=64\pi h

\frac{576\pi}{64\pi}=h

9=h

Therefore the height of the cylinder is 9 cm and option C is correct.

Alexus [3.1K]3 years ago
4 0
C 9 becuase of im aswesome and its the correct answer
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