Me find the missing angles! (even if you don't find them all show me how so i can do it !

1) 80
2) 60
3) 40
4) 100
5) 80
6) 80
7) 100
8) 60 
9) 120
10) 120
11) 60

Angle 1= 80
angle 2= 60
angle 3= 40
angle 4= 100
angle 5= 80
angle 6= 80
angle 7= 100
angle 8= 60
angle 9= 120
angle 10= 120
angle 11= 60