How to find the cross section. We investigate how to predict what shape the cross section will be when it is parallel or perpendicular to the base of a cone, cylinder, cylinder, or prism. (If you found this video helpful and want to say "thanks," you can buy me a coffee here: https://ko-fi.com/tomteachesmath) APPLET USED IN VIDEO: http://www.shodor.org/interactivate/a... #crosssections