A rectangular she

Given,

Dimension of rectangular sheet of paper = 30cm×18cm

Case (i)

When paper is rolled along its length ,

Then, 2πr = 30 = r =

= h = 18 cm

So, volume of cylinder V1 = πr2h =

Case (ii)

When paper is rolled along its width,

Then 2πr = 18 = r=

= h = 30 cm

So, volume of cylinder thus form =

Rato of volumes V1 : V2 =

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