Answer:
your answer will be X=80
Step-by-step explanation:
[tex]x+42+58=180\\\\x=180-58-42\\\\x=80[/tex]
hope this helps u have a nice day
80°
58°+42°+x°=180°
100°+x°=180°
100°-100° + x° = 180°-100°
x° = 80°
