Learn about finding volume in Calculus 2 using cross sections, the disk method, and the washer method.
6.3 Volume by Slicing # 7, page 430
Calculus: Early Transcendentals, 2E Briggs, Cochran, Gillett
Nick Willis - Professor of Mathematics at George Fox University
http://www.georgefox.edu/academics/undergrad/departments/math/faculty/willis.html