exterior angle

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  • noun

Synonyms for exterior angle

the supplement of an interior angle of a polygon

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References in periodicals archive ?
There are no parallel lines, there is no exterior angle of a triangle theorem, the angles of a triangle do not add up to 180[degrees] and there are no parallelograms.
Angles at a circumference subtended by the same chord are only equal in symmetrical figures and the exterior angle of a cyclic quadrilateral does not 'behave' either.
The design extends the third-story forward, cheating distinctive exterior angles.