Respuesta :

gmany

Answer:

[tex]\large\boxed{V=81\pi\ in^3}[/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 r = 3in and H = 9in. Substitue:

[tex]V=\pi(3^2)(9)=\pi(9)(9)=81\pi\ in^3[/tex]