Respuesta :

Answer:

volume of a cone = 1/3*(πr²h)

Step-by-step explanation:

The Volume of a cone can be expressed using the formula

 

volume of a cone = 1/3*(πr²h)

Now if r=3 in and h= 9 in

= 1/3( π (3)²9)

= 27Π in 3