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Q.

If a rectangular sheet of paper of size Question Image  is rolled to form a cylinder, then which of the following are true?
 



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a

Radius of cylinder will be Question Image  and height will be Question Image

b

Radius of cylinder will be Question Image  and height will be Question Image

c

If the circumference of base will be Question Image then height will be Question Image

d

None 

answer is C.

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Detailed Solution

The dimension of the rectangular sheet of paper is given below-
The length of the paper Question Image  the width of the paper Question Image The circumference of the base of cylinder is equal to width of the paper
 Circumference of the base of cylinder =Question Image The height of the cylinder is equal to the length of the paper.
 The height of the cylinder =Question Image circumference of the base of cylinder = Length of the paper
 Circumference of the base of cylinder =Question ImageAnd, the height of the cylinder is equal to width of the paper
 The height of the cylinder =Question ImageSo, option 3 is correct.
 
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