reflex angle
Americannoun
Etymology
Origin of reflex angle
First recorded in 1895–1900
Example Sentences
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It is helpful in trigonometry, and it saves confusion in the case of a reflex angle in a polygon.
From The Teaching of Geometry by David Eugene Smith
Thus ∠A is read "BAC," the reflex angle on the outside of the triangle being read "CAB."
From The Teaching of Geometry by David Eugene Smith
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
