reflex angle

  1. an angle greater than 180° and less than 360°.

Origin of reflex angle

First recorded in 1895–1900

Words Nearby reflex angle 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