The diameter of the base of a right circular cylinder is 42 cm and its height is 10 cm. Find the volume of the cylinder.
We have,
Diameter of base of cylinder = 42 cm
Radius of base = d/2 = 42/2 = 21cm
Height = 10 cm
∴ Volume of cylinder = πr2h
= 22/7 × 21 × 21 × 10
= 13860 cm3
