The surface area of a sphere of radius 21 cm is

The surface area of a sphere of radius 7 cm is

The surface area of a sphere of radius 5 cm is five times the area of the curved surface of a cone of radius 4 cm, find the height of the cone.

Find the surface area of a sphere of radius: 21 cm

The curved surface area of a sphere of radius 14 cm is :

The approximate surface area of a sphere of radius 4.01 cm is

The approximate surface area of a sphere of radius 6.01 cm is

Find the surface area of a sphere of radius: 14 cm

Find the volume and surface area of a sphere of radius 2.1 cm (pi = (22)/(7))

Find the volume and surface area of a sphere of radius 2.1 cm (pi = (22)/(7))