definitions

supplementary angle

noun Mathematics.

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

RELATED CONTENT

“Compliment” vs. “Complement”: How To Pick The Right WordCompliment and complement are commonly confused terms because they're pronounced alike and originally shared some meanings ...
READ MORE
The Art Of The Dad JokeDad Jokes - those corny quips that will automatically make your eyes roll (accompanying groan optional). Dad Jokes are often puns that are met with regret.
READ MORE

Nearby words

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. 2019

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

Science definitions for supplementary angles

supplementary angles

[ sŭp′lə-mĕn′tə-rē ]

Two angles whose sum is 180°.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.