Pronunciation: /ɪnˈtɪər.i.ər/ Explain

An object is on the interior of a figure if it lies inside a boundary of the figure.

Interior, exterior and boundary of a triangle
Figure 1: Interior and exterior of a triangle.


  1. McAdams, David E.. All Math Words Dictionary, interior. 2nd Classroom edition 20150108-4799968. pg 100. Life is a Story Problem LLC. January 8, 2015. Buy the book

Cite this article as:

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

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Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
8/6/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
2/18/2010: Added hot vocabulary links and "References". (McAdams, David E.)
8/12/2008: Change figure 1 to emphasize boundary. (McAdams, David E.)
4/1/2008: Initial version. (McAdams, David E.)

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