Illustration of interior angle
- agh bgh ghd ghc interior angle sense 2
interior angle
noun
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
Examples of interior angle in a Sentence
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At this point the initial polygon has been reduced to a triangle, whose interior angle sum is known to be 180 degrees.
—
Patrick Honner, Quanta Magazine, 22 Mar. 2024
This is a recursive relationship: The interior angle sum for an n-gon is 180 degrees more than the interior angle sum for an (n − 1)-gon.
—Patrick Honner, Quanta Magazine, 22 Mar. 2024
The result: a round-rimmed pint with an interior angle designed to give your pour the perfect head and aroma every time.
—Joe Jackson, Outside Online, 28 Jan. 2015
With each interior angle measuring 108 degrees, three pentagons leave a gap and four begin to overlap.
—Marisa Sloan, Discover Magazine, 21 July 2021
Dehn focused on the interior angles formed where two faces of a three-dimensional shape meet.
—Quanta Magazine, 31 Oct. 2019
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.
—Quanta Magazine, 9 Apr. 2018
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Patrick Honner, Quanta Magazine, 22 Mar. 2024
This is a recursive relationship: The interior angle sum for an n-gon is 180 degrees more than the interior angle sum for an (n − 1)-gon.
—Patrick Honner, Quanta Magazine, 22 Mar. 2024
The result: a round-rimmed pint with an interior angle designed to give your pour the perfect head and aroma every time.
—Joe Jackson, Outside Online, 28 Jan. 2015
With each interior angle measuring 108 degrees, three pentagons leave a gap and four begin to overlap.
—Marisa Sloan, Discover Magazine, 21 July 2021
Dehn focused on the interior angles formed where two faces of a three-dimensional shape meet.
—Quanta Magazine, 31 Oct. 2019
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.
—Quanta Magazine, 9 Apr. 2018
Cite this Entry
“Interior angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interior%20angle. Accessed 18 Jul. 2025.
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