Is it possible for a triangle to have a 54* angle and a 126* angle? Why or why not? If it's possible, what is the measure of the 3rd angle?
Complimentary angles add up to 90 degrees, and Supplementary angles add up to 180 degrees. How can you help yourself to remember that?
Using the word 'rotation', attempt to describe what some of XGames contestants are doing in the video.