Respuesta :

mhanifa

Answer:

x=25°

Step-by-step explanation:

Sum of angles of a triangle equals 180°

  • x + 10° + 2x + 15° + 3x + 5° = 180°
  • 6x + 30° = 180°
  • 6x = 180° - 30°
  • 6x = 150°
  • x = 150°/6
  • x = 25°

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