Answer:
Opton (a) is correct.
The volume of sphere is
cm³
Explanation:
Given : Diameter of a sphere is 4 cm.
We have to find the volume of the sphere and choose out of given option whic represents the volume correctly.
Since, given diameter of a sphere is 4 cm thus, radius is half of diameter and is 2 cm.
Also, Volume of sphere =

Substitue, r = 2 , we get,
Volume of sphere =

Simplify, we have,
Volume of sphere =

Volume of sphere =

Thus, The volume of sphere is
cm³