Question

a rectangular piece of a paper with dimension 22 cm long and 10 cm is folded without overlapping to make the cylinder of height to 10 centimetre find the volume of cylinder​

Answer 1

Answer:

Given a Rectangular piece of paper 11cm×4cm is folded without overlapping to make a cylinder of height 4 cm

The length of the paper becomes the circumference of the base of the cylinder and width becomes height.

Let radius of the cylinder=r and height=h

Circumference of the base of cylinder =2πr=11cm

⇒2×

7

22

×r=11

∴r=

4

7

cm

Now h=4cm

Volume of the cylinder (V)=πr

2

h

=

7

22

×

4

7

×

4

7

×4cm

3

=38.5cm

3

Answer 2

Answer:

see the attachment for step-by-step solution.

Step-by-step explanation:

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