A rectangular piece of paper 22 cm long and 12 cm broad is rolled along its length to form a cylinder , then height of cylinder is *
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Step-by-step explanation:
Length of rectangle=height of cylinder
Breadth of rectangle=circumference of cylinder
Area of rectangle=length*breadth
=22*12
=264 cm sq.
Curved surface area of cylinder=264 cm sq.
Volume of cylinder=curved surface area*height
=264*22
=5808cm sq
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