Find the volume of a sphere whose radius is
(i) 7 cm (ii) 0.63 m
(i) Radius (r) = 7 cm
Volume of Sphere = 
πr3
= 
* 
* 7 * 7 * 7
= 
= 
cm3
(ii) Radius (r) = 0.63 m
Volume of Sphere = 
πr3
= 
* 
* (0.63) m3
= 1.0478 m3
10
Find the volume of a sphere whose radius is
(i) 7 cm (ii) 0.63 m
(i) Radius (r) = 7 cm
Volume of Sphere = πr3
= * * 7 * 7 * 7
=
= cm3
(ii) Radius (r) = 0.63 m
Volume of Sphere = πr3
= * * (0.63) m3
= 1.0478 m3