Answer:
81 [tex]inch^{2}[/tex]
Step-by-step explanation:
radius is half of diameter so r = d/2 = 6/2 = 3
h is the height of the cone h = 9
V= (3 x[tex]3^{2}[/tex] x 9)/3 = 81 [tex]inch^{2}[/tex]