Question

If the volume of a sphere is (4)/(3) pi r^(3) where pi = (22)/(7) and r is radius of the sphere, then the radius of the sphere of volume (704)/(21) m^(3) is _____.

Answer 1

Answer:

2 m

Explanation:

Volume of sphere=

$\frac{4}{3} \times \pi \times {r}^{3 } \\ \frac{704}{21} = \frac{4}{3} \times \frac{22}{7} \times {r}^{3} \\ {r}^{3} = \frac{704}{21} \times \frac{3}{4} \times \frac{7}{22} \\ by \: solving \: we \: will \: get \\ r = 2m$

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