A basketball is a sphere 29.5in in circumference. A baseball is a sphere
of circumference 9.Oin. How much material is needed to make each ball?

Question

A basketball is a sphere 29.5in in circumference. A baseball is a sphere  of circumference 9.Oin. How much material is needed to make each ball?

hongcuc2 · Answer

The surface area of the sphere is approximately 572.3 square centimeters.