The area of a sphere is given by
area = 4*Pi*r2
Your sphere has an area of
area = 4*Pi*(2 units)2 = 16*Pi units2 ≈ 50.265 units2
area = 4*Pi*r2
Your sphere has an area of
area = 4*Pi*(2 units)2 = 16*Pi units2 ≈ 50.265 units2