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Supplementary Angles (Quick Exploration)

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.


In your own words, describe what it means for 2 angles to be supplementary angles.


In the applet above, the blue angle is said to be a supplement of the pink angle, and vice versa. Given this information, determine the supplement of a 130 degree angle.


What is the supplement of a 1-degree angle?


What angle measure has a supplement whose measure is equal to itself?

Quick (Silent) Demo: (0:30 - END)