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Hearty Munching on Cardioids

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Visit this site: http://www.cut-the-knot.org/ctk/Cardi.shtml
Author:Cut the Knot!, Alexander Bogomolny
Description: A cardioid curve (roughly resembling a kidney bean) is the locus of points traced by a point on a moving circle that rolls without slipping on the outside of a circle of equal radius (explore the illustrative applets). An interactive column for MAA Online that uses a Java applet to simulate a puzzle or mathematical problem, one not stated directly since the applet is intended to be such that the right answer to an as yet unstated problem should be easy to surmise.
Levels: High School (9-12), College
Languages: English
Resource Types: Problems/Puzzles, Articles, Web Interactive/Java
Math Topics: Conic Sections and Circles

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