A cone has a base radius of 7 centimeters and a height of 21 centimeters.

What is the volume of the cone?

A.
28π cm3

B.
49π cm3

C.
147π cm3

D.
343π cm3

Question

A cone has a base radius of 7 centimeters and a height of 21 centimeters.
 
What is the volume of the cone?
 
 A.
28π cm3
 
 B.
49π cm3
 
 C.
147π cm3
 
 D.
343π cm3

anonymous · Answer

i think the volume is the area of the base times the height
you are given the height
do you know the area of the base?  i.e. the area of a circle with radius 7?

anonymous · Answer

no i dont know the base. thats just what they gave me to figure it out^^