Q.

A sphere is inscribed in a cylinder. Among the following the correct statement is

A right circular cylinder just encloses a sphere of radius r (see figure).  Find the(i) surface area of the sphere, (ii) curved surface area of the  cylinder and (iii) ratio of the

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a

Surface of the sphere = Curved surface of the cylinder

b

Surface of the sphere < Curved surface of the cylinder

c

 Surface of the sphere > Curved surface of the cylinder

d

 Surface of the sphere =2 (Curved surface of the cylinder)

answer is A.

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Detailed Solution

 Surface of the sphere =2 (Curved surface of the cylinder)

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A sphere is inscribed in a cylinder. Among the following the correct statement is