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Question

The number of square inches of paper required to make a hollow cylinder is equal to the curved surface area of the cylinder.


A

True

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B

False

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Solution

The correct option is A

True


Consider a rectangular paper with dimension a × b.

When it is folded along its length or width, it will form a hollow cylinder. The surface area of the cylinder formed will be equal to the area of paper required.
Curved surface area of cylinder = a × b
So, the given statement is true.


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