Question

Find the volume of a sphere whose radius is 7 cm.

`["Assume "pi=22/7]`

 

Answer 1

Radius of sphere = 7 cm

volume of a sphere = `4/3pir^3`

= `[4/3xx22/7xx(7)^3]cm^3`

= `(4312/3)cm^3`

= `1437 1/3  cm^3`

Therefore, the volume of the sphere is `1437 1/3  cm^3`.