interior angle

noun

Definition of interior angle 

1 : the inner of the two angles formed where two sides of a polygon come together

2 : any of the four angles formed in the area between a pair of parallel lines when a third line cuts them

Illustration of interior angle

Illustration of interior angle

agh, bgh, ghd, ghc interior angle 2

Examples of interior angle in a Sentence

Recent Examples on the Web

Both are three-dimensional structures, but each has a very different geometry: Their layouts are different, the curvature of their exteriors is different, their interior angles are different. Kevin Hartnett, WIRED, "Exploring the Mirror Link Between Two Geometric Worlds," 15 Apr. 2018 Last week, police released camera footage of the crash which showed both exterior and interior angles of the car ride leaving up to the moment the SUV struck Herzberg. Kathleen Joyce, Fox News, "Uber disabled safety component in self-driving car before fatal crash, company alleges," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'interior angle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of interior angle

1756, in the meaning defined at sense 1

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The first known use of interior angle was in 1756

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