Question

If the radius of a sphere is 2r then find its volume
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Answer 1

$\fbox\blue{A}\fbox\red{N}\fbox\blue{S}\fbox\red{W}\fbox\blue{E}\fbox\red{R}$

We know that volume of sphere is :

$\mathcal\colorbox{pink}{{\color{red}{(☞V=4/3πr³࿐)}}}$

given that r = 2r

Therefore,

V=4/3πr³

V=4/3π x (2r)³

V=4/3π x 8r³

Hence, volume of the sphere is 4/3π x 8r³

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Answer 2

Answer:

Radius of sphere = r = 2r

volume of sphere =

$\frac{4}{3} \pi \: {r}^{3}$

$= \frac{4}{3} \times \pi ( {2r}^{3} )$

$= \frac{4}{3} \times \pi (8 {r}^{3} )$

$= \frac{32}{3} \pi {r}^{3}$

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