Respuesta :

mhanifa

Answer:

  • x = 52°

Step-by-step explanation:

The 124° angle is exterior to the given triangle.

The exterior angle is the sum of non- adjacent interior angles:

  • x + 72 = 124
  • x = 124 - 72
  • x = 52°

Sum.of two interiors=Exterior

  • x+72=124
  • x=124-72
  • x=52°

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