The radius of a solid sphere is 6 centimeters. Find the volume and surface area.

A right circular cone has a height of 84 cm. the radius of the base is 35 cm. find the volume and curved surface area.

The radius of a sphere is 21 cm. calculate its surface area and volume.

The sum of radius of base and height of a solid cylinder is 37 cm. the total surface area of the solid cylinder is 1628 cm^(2) . Find the volume of the cylinder.

A certain number of metallic cones, each of radius 2 cm and height 3 cm, are melted and recast into a solid sphere of radius 6 cm. find the no. of cones used.

Twenty seven solid iron sphere, each of radius r and surface area S are melted to form a sphere with surface area S'. Find the radius r' of the new sphere.

Find the volume of sphere of radius 6.3 cm