definitions

complementary angle

noun Mathematics.

either of two angles that added together produce an angle of 90°.

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 JokeRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

complementally, complementarity, complementarity principle, complementary, complementary air, complementary angle, complementary angles, complementary base, complementary cells, complementary color, complementary colour
Compare supplementary angle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for complementary angles

complementary angle

noun

either of two angles whose sum is 90°Compare supplementary 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 complementary angles

complementary angles

[ kŏm′plə-mĕn′tə-rē ]

Two angles whose sum is 90°.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.