Respuesta :

[tex]31+ x + 4 + 3x + 9 = 180 \\ 4x + 44 = 180 \\ 4x = 180 - 44 \\ x = 136 \div 4 \\ x = 34 \\ [/tex]
S=34+4°
=38°

T=3x+9°
=3×34+9
=102+9°
=111°

HOPE IT HELPS UH!!☺️☺️