Pronunciation: /ˈlɪm.əˌsɒn/ Explain

A limaçon is a heart shaped curve with an equation in the form r = b + a·cos(θ) or r = b + a·sin(θ).

Click on the blue points on the slider and drag them to change the figure.

How does the variable 'a' change the figure? How does variable 'b' change the figure?
Manipulative 1 - Lemacon Created with GeoGebra.


  1. McAdams, David E.. All Math Words Dictionary, limaçon. 2nd Classroom edition 20150108-4799968. pg 108. Life is a Story Problem LLC. January 8, 2015. Buy the book

Cite this article as:

McAdams, David E. Limaçon. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

Image Credits

Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
8/31/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
8/30/2018: Initial version. (McAdams, David E.)

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