supplementary angle

nounMathematics.

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

Origin of supplementary angle

First recorded in 1830–40

Compare complementary angle.

Words Nearby supplementary angle

supplement
supplemental
supplemental plumage
Supplemental Security Income
supplementary
supplementary angle
supplementary angles
supplementation
suppletion
suppletive
suppletory

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for supplementary angle

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

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