Complementary angles
Revision as of 20:02, 3 January 2020 by Shurong.ge (talk | contribs)
Contents
[hide]Diagram
As long as is a right angle, and are complementary angles to each other.
Definition
Bing/Google
Either of two angles whose sum is 90°
Merriam-Webster
Two angles that add up to 90 degrees
Algebra
If is supplementary to ,