Answer:
1: 133
2: 102
3: 80
4: 65
Step-by-step explanation:
for 1 and 2 the base is a strait line so you just subtract from 180. for 3 it's a square so the total of the angles add up to 360 so subtract 200 then divide by 2 and for 4, triangles' angles add up to 180.
