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Q : 9 A right circular cylinder just encloses a sphere of radius $\small r$ (see Fig. $\small 13.22$ ). Find

(i) surface area of the sphere,

Answers (1)

best_answer

Given,

The radius of the sphere = $r$

$\therefore$ Surface area of the sphere = $4\pi r^2$

Posted by

HARSH KANKARIA

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