interior angle

nounGeometry.

an angle formed between parallel lines by a third line that intersects them.
an angle formed within a polygon by two adjacent sides.

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

The families feature a parameter that you can adjust infinitely many ways to make some interior angles smaller and others proportionally larger while maintaining the ability to tile space.
Undergraduates Hunt for Special Tetrahedra That Fit Together | Kevin Hartnett | February 9, 2021 | Quanta Magazine
Below the bar are four small spots, beginning at the interior angle (the first being double).
Illustrations of Exotic Entomology, Volume 1 | Dru Drury
At the left of this figure is a groove, suggesting that this was an interior angle stone.
A Catalogue of Sculpture in the Department of Greek and Roman Antiquities, British Museum, Volume I (of 2) | A. H. Smith
A groove to the left of the group seems to show that this slab was at an interior angle of a building.
A Catalogue of Sculpture in the Department of Greek and Roman Antiquities, British Museum, Volume I (of 2) | A. H. Smith

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

[ ĭn-tîr′ē-ər ]

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.

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