Question

A rectangular piece of paper 22 cm long and 12 cm broad is rolled along its length to form a
cylinder. Find the height of the cylinder.

Answer 1

Answer:

22cm

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Answer 2

Answer:

5808 cm sq

Step-by-step explanation:

Length of rectangular paper =22 cm

Breadth of rectangular paper=12 cm

Area of rectangular paper= 22*12=264 cm sq

Height of cylinder= 22cm ( because rectangular paper filled along length)

Curved surface area of cylinder = Area of rectangular paper

So Curved surface area of cylinder= 264 cm sq

Volume of cylinder= Curved surface area x height of cylinder

= 264*22 = 5808 cm sq