Question

the outer and the inner radii of a hollow sphere are 12 cm and 10 cm find its volume

Answer 1

Step-by-step explanation:

Volume of hollow sphere

4/3*22/7(12^3-10^3)

4/3*22/7(1728-1000)

4/3*22/7(728)

88/21(728)

64064/21

3050.66cm^3