reflex angle
nounGeometry.
an angle greater than 180° and less than 360°.
Origin of reflex angle
1First recorded in 1895–1900
Words Nearby reflex angle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use reflex angle in a sentence
It is helpful in trigonometry, and it saves confusion in the case of a reflex angle in a polygon.
The Teaching of Geometry | David Eugene Smith
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