Question

Find the volume of the sphere whose radius is :
(1) 6 cm (π = 3.14)
(2) 7 cm
(3) 10.5 cm

Answer 1

Answer :

We know that,

volume of a sphere ( V ) = $\frac{4}{3} \pi r^{3}$

where r is radius of the sphere

1)

In this case, r = 6 cm

Then, the required volume be

= ($\frac{4}{3}$ π × 6³) cm³

= (4 × 3.14 × 216)/3 cm³

= 904.32 cm³

2)

In this case, r = 7 cm

Then, the required volume be

= ($\frac{4}{3}$ π × 7³) cm³

= 479.11 cm³

3)

In this case, r = 10.5 cm

Then, the required volume be

= ($\frac{4}{3}$ π × 10.5³) cm³

= 4849.04 cm³

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