Relax

Respuesta :

Answer:

[tex]the \: third \: angle \: of \: triangle \: is \: 70 \\sum \: of \: triangle \: angles = 180 \: \\ 70 + 5x + 6x - 11 = 180 \\ 11x + 59 = 180 \\ 11x = 180 - 59 = 121 \\ x = 121 \div 11 = 11[/tex]