To answer this question we will use the following formula to compute the volume of a cone:
[tex]V=\frac{\pi r^2h}{3}.[/tex]Substituting r=9cm and h=10cm in the above equation we get:
[tex]V=\frac{\pi(9cm)^2(10cm)}{3}=\frac{810\pi cm^3}{3}=270\pi cm^3\approx848.2cm^3.[/tex]Answer: 848.2cm³