Question

12.If the radius of the sphere is 21 cm, then its volume is _______

Answer 1

Answer:

Vol. of hemisphere =32πr3=32π(21)3=19404cm3 



I hope it will help you

Answer 2

Volume of sphere = (4/3)π(r)^3

Here, radius, r = 21 cm

Volume = (4/3)(22/7)(21)^3 = 38808 cm^3