I thought I just had to half the diameter and then put it into the volume formula for cylinders but ig I was wrong? Help please?

Answer:
10830.87 mm³
Step-by-step explanation:
Hello!
Volume of a cylinder: [tex]V = \pi r^2(h)[/tex]
The radius for this cylinder is 9.525, after dividing 19.05 by 2.
Plug it into the volume formula to solve for the volume.
The volume is approximately 10830.87 cubic millimeters.