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A right circular cylinder just enclos...

A right circular cylinder just encloses a sphere of radius r (see Fig. 13.22). Find (i) surface area of the sphere, (ii) curved surface area of the cylinder, (iii) ratio of the areas obtained in (i) and (ii).

Text Solution

Verified by Experts

The correct Answer is:
(i) `4pir^(2)`
(ii) `4pir^(2)`
(iii) 1:1
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