Respuesta :

sqdancefan

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Answer:

  x = 57

Step-by-step explanation:

Where parallel lines are crossed by a transversal, all obtuse angles are congruent and supplementary to all acute angles, which are also congruent.

  x = 180 -123

  x = 57

TemperatureBig

Answer:

180-123=x

57=x

Step-by-step explanation:

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