The heights of a cone, cylinder and hemisphere are equal. If their radii are in the ratio 2:3:1, then the ratio of their volumes is:

The heights of a cone, cylinder and hemisphere are equal. If their rad

1.	The heights of a cone, cylinder and hemisphere are equal. If their radii are in the ratio 2:3:1, then the ratio of their volumes is:
A.	2:9:2
B.	4:9:1
C.	4: 27:2
D.	2 : 3: 1
Answer» D. 2 : 3: 1

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The heights of a cone, cylinder and hemisphere are equal. If their radii are in the ratio 2:3:1, then the ratio of their volumes is:

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