Alrighty, let's find the volume of the cylinder post-Samia and after.
The equation for the volume of a cone is [tex]V_{cone}=\frac{1}{3}\pi r^{2}h[/tex]
BEFORE:
[tex]V_{cone}=\frac{1}{3}\pi 9*9 = 27*3.14 = 75.36[/tex]
AFTER:
[tex]V_{cone}=\frac{1}{3}\pi 9*6 = 18*3.14= 56.52[/tex]
And now to find out how much was taken off:
[tex]75.36-56.52=18.84[/tex]
