Question

22. A rectangular paper is 22 cm long and 10 cm wide. It is folded without overlapping to make
a cylinder of height 10 cm. Find the volume of the cylinder ​

Answer 1

Answer:

Length of the rectangular paper will be height of the cylinder and width of the rectangular paper is circumference of the cylinder

∴2πr=10cm and h=22cm

Now volume of the cylinder

=πr

2

h

7

22

×

2π

10

×

2π

10

×22cm

3

=

7

22

×

2

10

×

22

7

×

2

10

×

22

7

×22cm

3

=175cm

3