Alternate Angles
Pronunciation: /ˈɔl.tər.nɪt ˈæŋ.gəlz/ Explain
 Figure 1: Alternate Interior Angles 

Alternate angles are
angles
that are on different sides of a
transversal.
A transversal is a line that intersects two other lines.
Alternate interior angles are between the two lines (see figure 1).
Alternate exterior angles are outside the two lines (see figure 2).
See also the
Alternate Exterior Angles Theorem
and the
Alternate Interior Angles Theorem.

 Figure 2: Alternate Exterior Angles 

References
 McAdams, David E.. All Math Words Dictionary, alternate angles. 2nd Classroom edition 201501084799968. pg 13. Life is a Story Problem LLC. January 8, 2015. Buy the book
More Information
 McAdams, David E.. Transversal. allmathwords.org. Life is a Story Problem LLC. 6/19/2018. http://www.allmathwords.org/en/t/transversal.html.
Cite this article as:
McAdams, David E. Alternate Angles. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/a/alternateangles.html.
Image Credits
Revision History
12/21/2018: Reviewed and corrected IPA pronunication. (
McAdams, David E.)
6/13/2018: Removed broken links, updated license, implemented new markup. (
McAdams, David E.)
10/12/2010: Figure 2 was incorrectly identified as figure 1. (
McAdams, David E.)
12/28/2009: Added "References". (
McAdams, David E.)
4/17/2008: Initial version. (
McAdams, David E.)