Respuesta :

You can find the volume of a cone by using the formula:

V=πr²h/3
V=π(9)²6/3
V=π(81)6/3
V=(3.14)(81)6/3
V=254.34*6/3
V=254.34*2
V=508.68

This rounds to 509, so the answer would be C. 509.