A hemisphere of lead of radius 9 cm is cast into a right circular cone of height 72 cm. Find the radius of the base of the cone.

A hemisphere of lead of radius 6 cm is cast into a right circular cone of height 75 cm. Find the radius of the base of the cone.

A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49cm. Find the radius of the base.

A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49cm. Find the radius of the base.

A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49cm. Find the radius of the base.

A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49cm. Find the radius of the base.

A hemisphere of lead of radius 7cm is cast into a right circular cone of height 49cm. Find the radius of the base.

A hemisphere of a lead of radius 7 cm is cast into a right circular cone of height 49 cm, find the radius of the base.

A hemisphere of lead of radius 6 cm is cast into a right circular cone of height 75 cm. The radius of the base of the cone is (a) 1.4 cm (b) 2 cm (c) 2.4 cm (d) 4.2 cm

A hemispherical of lead of diameter 14 cm is cast into a right circular cone of height 14 cm. The radius of the base of the cone is :