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Find the volume of a sphere whose radius is $2\ cm$.
Given:
The radius of a sphere is $2\ cm$.
To do:
We have to find the volume of the sphere.
Solution:
Radius of the sphere $(r) = 2\ cm$
Therefore,
Volume of the sphere $=\frac{4}{3} \pi r^{3}$
$=\frac{4}{3} \times \frac{22}{7} \times 2 \times 2 \times 2$
$=\frac{704}{21}$
$=33.52 \mathrm{~cm}^{3}$
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