Definition and Examples
What are complementary angles? Find out here.
Take a look at the figure to the right. Move the points around and notice how the angles change.
What is the relationship between the red and green angle?
How does this explain what complementary angles are?
Scroll down to find out...
Duane Habecker, Created with GeoGebra
Two angles are complementary if they have a sum of 90°.
Last modified: Sunday, 19 April 2020, 10:32 AM