If the vertices of a square whose edge length is 2cm are all on a sphere, then the volume of the sphere is

If the vertices of a square whose edge length is 2cm are all on a sphere, then the volume of the sphere is

The volume diagonal of a cube is equal to the diameter of the ball: D = √ (2 * 2 + 2 * 2 + 2 * 2) = 2 √ 3
So the radius of the ball is: r = √ 3
So the sphere volume is: 4 π RRR / 3 = 4 √ 3 π