Find the surface area of a spherical ball that has a radius of 15 inches.

Find the surface area of a sphere that has a radius of 1 inch.

Find the surface area of a spherical ball that has a radius of 24 inches.

Find the surface area of a sphere that has a radius of 2 inches.

Find the surface area of a sphere that has a radius of 40 inches.

Find the surface area of a spherical ball that has a radius of 19 inches.

Find the surface area of a sphere that has a radius of 10 inches.

Find the surface area of a spherical ball that has a radius of 7 inches.

Find the surface area of a sphere that has a radius of 5 inches.

Find the surface area of a spherical ball that has a radius of 3 inches.