Question

Q1.The circumference of the base of a cylinder is 132cm and its height is 25cm.
Find the volume of the cylinder?

Answer 1

Answer:

Let 'r' be the radius of the cylinder. Circumference=132cm

2πr=132cm

2×

7

22

×r=132cm

∴r=

2×22

132cm×7

∴r=21cm

Volume of a cylinder=πr

2

h=

7

22

×(21)

2

×25=

7

22

×21×21×25=34,650cm

3

.

Answer 2

Answer:

The circumference of the base of a cylinder is 132 cm and its height is 25 cm. Find the volume of the cylinder.