Respuesta :

Answer:

  x = 65°

  y = 50°

  z = 65°

Step-by-step explanation:

130° + y = 180°

y = 50°

115° + z = 180°

z = 65°

x + y + z = 180°

x + 50° + 65° = 180°

x + 115° = 180°

x = 65°