If a sphere of radius `2r` has the same volume as that of a cone with circular base of radius `r ,` then find the height of the cone.

If a sphre of radius of 2r has the same volume as that of a cone with circular base of radius r, then find the height of the cone.

A sphere of radius r has the same volume as that of a cone with a circular base of radius r. Find the height of the cone.

If a solid sphere of radius r unit be melted to make a solid right circular cone of height r - unit , then find the radius of the base of the cone .

A metallic sphere of radius 7 cm is melted and recast in to right circular cone of same radius. Find the height of the cone.

A metallic sphere of radius 7 cm is melted and recast in to right circular cone of same radius. Find the height of the cone.

Find the volume of a cylinder of the same base radius and the same height as that of a cone is

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

The radius of the base of a right circular cone is 12 m. If the slant height of the cone is 15 m, find the height of the cone.

Find the volume of a right-circular cone of base radius r and height h.