Question

A rectangular sheet of paper 22 cm long and 12m broad is rolled along its length to form a cylinder. Find the volume of the cylinder so formed?​

Answer 1

Step-by-step explanation:

l = 22cm

b = 12cm

Now, when we roll it along its length it forms a cylinder with,

circumference = 12cm

height = 22cm

2πr = 12cm

2*22/7*r = 22cm

r = 22 * 7/22*2

r = 21/11cm

Now,

V = πr^2h

= 22/7*21/11*21/11*22

= 252cm^3

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