supplementary angle

noun Mathematics.

either of two angles that added together produce an angle of 180°.

Words nearby supplementary angle

supplemental, supplemental air, supplemental plumage, supplemental security income, supplementary, supplementary angle, supplementary angles, supplementary story, supplementation, suppletion, suppletive

Compare complementary angle.

Origin of supplementary angle

First recorded in 1830–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for supplementary angles

supplementary angle

noun

either of two angles whose sum is 180°Compare complementary angle

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for supplementary angles

supplementary angles

[ sŭp′lə-mĕn′tə-rē ]

Two angles whose sum is 180°.