Question

11. A rectangular paper of width 21 cm is rolled along its width and a cylinder of radius 40 cm is formed. Find the volume of thecylinder
(as in the Figure given below).
(Take π=22/7)​

Answer 1

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A rectangular paper of width 21cm is rolled along its width to form a cylinder.

Height of cylinder = h= 21 cm= width of rectangular paper.

Radius of cylinder = r= 40 cm.

Volume of the cylinder = π$r^{2}$h

=$\frac{22}{7}$×40×40×21

=105600$cm^{2}$

∴ Volume of the cylinder = 105600  $cm^{2}$

Answer 2

Answer:

answer is in the attachment

Step-by-step explanation:

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