G.GCO.1 Supplementary Angles (Quick Exploration)
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?