Answer:
if 1 equal to x
and 2 equal to x-4
that mean
(x)+(x-4)=180
2x-4=180
2x=184
x=92
lets start to find the angles that marked with numbers
1=92
2=88
3=88
4=92
5=92
6=88
7=88
8=92
that's it
Have a great day
