The formula for determining the volume of a cone is expressed as
volume = 1/3 x pi x radius^2
From the information given,
height = 9
radius = 7.29
pi = 3.14
Volume = 1/3 x 3.14 x 7.29^2 x 9
Volume = 500.62
Rounding to the nearest tenth,
Volume = 500.6 m^3