## anonymous 5 years ago The horizontal cross-section of a beer keg 4 ft tall is circular and the sides of the keg are parabolic. The diameter of the top and bottom is 2ft. The diameter in the middle is 3 ft. Find the volume of the keg.

1. anonymous

What level of math? calculus by slicing?

2. anonymous

Yes calc

3. anonymous

$\int\limits_{0}^{4}pir ^{2}$