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interior angle
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noun Geometry.
an angle formed between parallel lines by a third line that intersects them.
an angle formed within a polygon by two adjacent sides.
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Origin of interior angle
First recorded in 1750–60
Words nearby interior angle
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use interior angle in a sentence
British Dictionary definitions for interior angle
interior angle
noun
an angle of a polygon contained between two adjacent sides
any of the four angles made by a transversal that lie inside the region between the two intersected lines
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for interior angle
interior angle
[ Än-tîr′ē-É™r ]
Any of the four angles formed inside two straight lines when these lines are intersected by a third straight line.
An angle formed by two adjacent sides of a polygon and included within the polygon. Compare exterior angle.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.