Question

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A rectangular sheet of paper of dimension 44cm × 220 CM can be transformed into ways i.e. either by rolling the paper along its length or by rolling it along the breadth find the ratio of the lateral surface area of two cylinder thus formed.

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Answer 1

Answer:

Let the radius of the cylinder be R

Since the cylinder is formed by rolling the Rectangular sheet along its length,

circumference of face of cylinder 2πR= length  of the sheet 

=>2×722×R=44cm

R=7cm

Height of cylinder = Width  of the rectangle =22cm

Volume of the Cylinder =πR2h=722×7×7×22=3388cm3