Respuesta :

calculista

Answer:

[tex]135\pi\ ft^3[/tex]

Step-by-step explanation:

we know that

The volume of a cylinder (concrete column) is equal to

[tex]V=\pi r^{2}h[/tex]

we have

[tex]r=3\ ft\\h=15\ ft[/tex]

substitute

[tex]V=\pi (3)^{2}(15)[/tex]

[tex]V=135\pi\ ft^3[/tex]