Question

The radius of a spherical balloon increases from 6 cm to 12 cm as air is being pumped into it. Then what will be the increase in volume ??​

Answer 1

Answer:

2016difference between the volumes

$\frac{4}{3} \pi( {12}^{3} - {6}^{3}) \\ = 2016\pi$

Answer 2

Answer:

Solution is there

solve it and see the picture ☝