A right circular cylinder just encloses a sphere of radius r (see Fig. 11.10). Find (i) surface area of the sphere, (ii) curved surface area of the cylinder, (iii) ratio of the areas obtained in (i) and (ii).

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CASE_STUDIESCurved Surface Area of CylinderSurface Area of SphereNCERT Textbook3 sub-questions

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