Answer:
x° = 58.5°
Step-by-step explanation:
90° + 31,5° + x° = 180°
121.5° + x° = 180°
x° = 180° - 121.5°
Hope I helped you!
31.5+90
180-a=
[tex]31.5 + 90 + x = 180[/tex]
[tex]x = 180 - 121.5[/tex]
[tex]x = 58.5[/tex]
