Supplementary angles add up to 180 degrees more than the other, you can formulate an equation 180=(100+x)+x80=2x so, x=40 the other angle is 100 degrees more. So, the angle lengths are 40 and 140 degrees.
Skip work! get some booty! don't care about skool
100
100
100
100
3
2
5
3
3
3
I think this is what you're asking.. If not.. I'm sorry.