The volume of a right circular cone, with a base radius the same as its altitude, and the volume of hemisphere are equal. The ratio of the radii of the cone to the hemisphere is:

The volume of a right circular cone, with a base radius the same as it

1.	The volume of a right circular cone, with a base radius the same as its altitude, and the volume of hemisphere are equal. The ratio of the radii of the cone to the hemisphere is:
A.	2 : 1
B.	√2 : 1
C.	∛2 : 1
D.	3√3 : 3√2
Answer» D. 3√3 : 3√2