Respuesta :

Answer:

125°

Step-by-step explanation:

Sum of angles of triangle equals 180°:

  • x + 25° + 30° = 180°
  • x + 55° = 180°
  • x = 180° -55°
  • x = 125°

Answer:

x=125

Step-by-step explanation:

because sum of interior angles of a triangle is 180