Answer:
Step-by-step explanation:
60+5x+5=180 degree (being straight line)
65+5x=180
5x=180-65
5x=115
x=115/5
x=23
5x+5
5*23+5
115+5
120
[tex](5x+5)=120[/tex]
180° - 60° = 120°
