Answer:
[tex]\large\boxed{V=192\pi}[/tex]
Step-by-step explanation:
The formula of a volume of a cylinder:
[tex]V=\pi r^2H[/tex]
r - radius
H - height
We have a diameter d = 8 → d = 2r → 2r = 8 → r = 4
and H = 12.
Substitute:
[tex]V=\pi(4^2)(12)=\pi(16)(12)=192\pi[/tex]