Answer :
I hope this helps you
large angle x
small angle y
x=2y+6
x+y=180
2y+6+y=180
3y=174
y=58
x=2y+6=2.58+6=116+6=122
large angle x
small angle y
x=2y+6
x+y=180
2y+6+y=180
3y=174
y=58
x=2y+6=2.58+6=116+6=122