Pronunciation: /ˌi.kwəˈlæ.tər.əl/ Explain
whose sides are the same length is called
most commonly used equilateral polygon is the
An equilateral quadrilateral is a parallelogram with equal sides. If the adjacent sides
of an equilateral quadrilateral are
the shape is a
The word equilateral is derived from Latin. Equi- is taken from the word aequus,
meaning 'equal'. -lateral is taken from the word lateralis, meaning 'of the side'.
Click on the blue points and drag them to change the figure.|
The sides on these figures are always the same size, are always equilateral.
|Manipulative 1 - Equilateral Created with GeoGebra.|
- McAdams, David E.. All Math Words Dictionary, equilateral. 2nd Classroom edition 20150108-4799968. pg 71. Life is a Story Problem LLC. January 8, 2015. Buy the book
- Carol Vorderman. Math Dictionary. pg 38. DK CHILDREN. July 20, 2009. Last Accessed 7/9/2018. Buy the book
- McAdams, David E.. Equilateral Triangle. allmathwords.org. All Math Words Encyclopedia. Life is a Story Problem LLC. 3/12/2009. https://www.allmathwords.org/en/e/equilateraltriangle.html.
Cite this article as:
McAdams, David E. Equilateral. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. https://www.allmathwords.org/en/e/equilateral.html.
12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
7/5/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
12/13/2008: Added derivation of word from Latin. (McAdams, David E.)
11/18/2008: Changed manipulative to GeoGebra. Added sentence on polygons (McAdams, David E.)
7/16/2008: Added vocabulary links. (McAdams, David E.)
6/7/2008: Corrected spelling. (McAdams, David E.)
5/10/2008: Initial version. (McAdams, David E.)