Respuesta :

Answer:

x° = 58.5°

Step-by-step explanation:

90° + 31,5° + x° = 180°

121.5° + x° = 180°

x° = 180° - 121.5°

x° = 58.5°

Hope I helped you!

Answer:

31.5+90

180-a=

Step-by-step explanation:

[tex]31.5 + 90 + x = 180[/tex]

[tex]x = 180 - 121.5[/tex]

[tex]x = 58.5[/tex]