Complementary & Supplementary Angles
Complementary Angles
In the applet below, the red angle and the blue angle are said to be complementary angles.
Interact with this applet for a minute or two, and answer the questions that appear below it.
Supplementary Angles
In the applet below, the pink angle and the blue angle are said to be supplementary angles.
Interact with this applet for a minute or two, and answer the questions that appear below it.
What do you notice about complementary angles?
What do you notice about supplementary angles?