Question

find the volume of a hollow sphere whose internal diameter is 2 cm and external diameter is 4 cm.​

Answer 1

Answer:

29.26 $cm^{2}$

Step-by-step explanation:

Volume of the Hollow sphere = 4/3π(R³ - r³)

Volume of the Hollow sphere = 4/3π(2³ - 1³)

Volume of the hollow sphere = 1.33 x $\frac{22}{7}$ (8-1)

Volume of the hollow sphere = 4.18 (7)

Volume of the hollow sphere = 29.26 $cm^{2}$