Answer:
its 7/9
Step-by-step explanation:
A 9x--12 i hope this helps
I hope it will help you!
x = 13
The sum of the exterior angles of a 4 sided polygon is 360
139+ 6x+9x+2x = 360
Combine like terms
139+17x=360
Subtract 139 from each side
17x = 360-139
17x = 221
Divide each side by 17
17x/17 = 221/17
