Respuesta :

XxDeanxX

Answer:

  • x + 42 + 58 = 180
  • x + 100 = 180
  • x = 80°

Answer:

x = 80°

Step-by-step explanation:

The measure of the angles of the inside of a triangle, when added result in 180°

58° + 42° + x = 180°

x = 180° - 42° - 58°

x = 80°

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