Question

Find the volume of a cylinder if its diameter is 42 cm and height 21cm. (use π = 22/7)

Answer 1

Answer:

The volume of a cylinder if its diameter is 42 cm and height 21cm is 29106 cu. cm.

Step-by-step explanation:

Given: Diameter = 42 cm

Height = 21 cm

π = 22/7

Find the volume of a cylinder.

The volume of a cylinder  $=\pi r^2h$

r = 42/2 = 21 cm

The volume of a cylinder

$=\frac{22}{7} \times 21^2 \times 21\\= 22 \times 441 \times 3\\= 66\times 441\\= 29106 cubic cm$

So, the volume of a cylinder is 29106 cu. cm.