I'm taking these lengths as the diameter of this ball.
A ball is in the shape of a sphere.
The formula for finding the volume of a sphere is: [tex]\frac{4}{3} \pi r^3[/tex]
[tex]\r[/tex] = 0.65
∴ Volume = [tex]\frac{4}{3}*\frac{22}{7} * 0.65*0.65[/tex]
= [tex]1.77 cm^2[/tex] (approx.)