please can someone help fr

Step-by-step explanation:
help with what because on this tab I can only see a picture icon and not the actual snap so I'd like to help but I really cant
Answer:
x = 116°
Step-by-step explanation:
Finding the value of 'x' in a polygon
[tex]\sf \boxed{\text{Sum of interior angles of a polygon = (n - 2)*180}}[/tex]
= (5 - 2) *180
= 3*180
= 540°
90 + 119 + 86 + 129 +x = 540
424 + x = 540
x = 540 - 424
x = 116°