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reflex angle

American  

noun

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


Etymology

Origin of reflex angle

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Thus ∠A is read "BAC," the reflex angle on the outside of the triangle being read "CAB."

From The Teaching of Geometry by Smith, David Eugene

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 Smith, David Eugene