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complementary angle

noun, Mathematics
1.
either of two angles that added together produce an angle of 90°.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for complementary angles
  • Students determine measurements of complementary angles and congruency between multiple figures.
  • Explain and use the relationship between the sine and cosine of complementary angles.
British Dictionary definitions for complementary angles

complementary angle

noun
1.
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
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complementary angles in Science
complementary angles
  (kŏm'plə-měn'tə-rē)   

Two angles whose sum is 90°.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for complementary

24
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