Answer:we all know that the tennis ball is in the shape of sphere.
if u know the volume then u can easily get the radius and then diameter.
the formula of volume of sphere is 4/3πr³.
π can be 22/7 or 3.14.
after finding the radius multiply radius with 2 as we know diameter is double of radius.
by this process u can find the diameter of the tennis ball.
Explanation: hope it helps
