Exterior

Pronunciation: /ɪkˈstɪər.i.ər/ Explain

Figure 1: Interior and exterior of a triangle.

An object is on the exterior if it lies outside a boundary.

Click on the blue points and drag them to change the figure. Click on the red points and drag them to explore the interior and exterior. Is the border of the polygon in the exterior or interior? Manipulative 1 - Exterior and Interior of a Polygon Created with GeoGebra.

References

1. McAdams, David E.. All Math Words Dictionary, exterior. 2nd Classroom edition 20150108-4799968. pg 76. Life is a Story Problem LLC. January 8, 2015. Buy the book

Cite this article as:

McAdams, David E. Exterior. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/e/exterior.html.

Image Credits

• All images and manipulatives are by David McAdams unless otherwise stated. All images by David McAdams are Copyright © Life is a Story Problem LLC and are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Revision History

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.)
2/3/2010: Added "References". (McAdams, David E.)
4/1/2008: Initial version. (McAdams, David E.)