Cone's volume is [tex]V = \frac{1}{3}Sh[/tex]
where S - surface area, h - height
Surface area = [tex] \pi r^2[/tex]
r = 18/2=9
h= 14
π = 3.14
[tex]V= \frac{1}{3} \pi r^2h= \frac{1}{3} *3.14*9^2*14= \frac{1}{3} *3.14*81*14=27*14*3.14[/tex][/tex]
[tex] V = 1186.92[/tex] [tex] in.^3[/tex]