Question

A rectangular paper of length 22 cm and width 10 cm is rolled along its width. Find the volume of cylinder so formed. Hint: length will be height.​

Answer 1

Answer:

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Step-by-step explanation:

Solution

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Correct option is A)

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