As the Planimeter's Wheel Turns: Planimeter Proofs for Calculus Class
Author: Leise, Tanya
Source: The College Mathematics Journal, Volume 38, Number 1, January 2007 , pp. 24-31(8)
Abstract:
Planimeters are devices that measure the area enclosed by a curve, and they come in a variety of forms. In this article, three of these, the rolling, polar, and radial planimeters, are described, and Green's theorem is used to show why they work.Document Type: Research article