Respuesta :

The formula for the volume of a cone is useful for this.
  V = (1/3)π × r² × h

Substituting the given information, you have
   V = (1/3)×3.14×(2 in)²×(18.3 in)
   V ≈ 76.616 in³

Your best choice is ...
   C. 76.62 cubic inches