If the volume and surface area of a sphere are numerically equal ,then find the radius of the sphere

If the volume and surface area of a sphere are numerically equal ,then

1.	If the volume and surface area of a sphere are numerically equal ,then find the radius of the sphere
Answer» 3 Surface area of sphere = 4πr2volume of sphere is = 4/3 πr34πr2= 4/3 πr3r2 = 1/3 r33r2 = r3r = 3when volume and surface area is equal then the radius will be 3 units