Volume of a Cone - An Unusual Proof

We look at an interesting derivation of the formula for the volume of a (right circular) cone. Adapted from the proof in this article: Pargeter, A. (1976). The Volume of a Cone. The Mathematical Gazette, 60(413), 203-203. doi:10.2307/3617479 00:00 Intro 00:11 Setup 00:56 Idea of the proof 03:05 Proof