Respuesta :

mhanifa

Answer:

  • See below

Step-by-step explanation:

Missing reason/statements:

  • a) Given
  • b) ∠2 and ∠3 form a linear pair
  • c) Definition of supplementary angles
  • d) ∠1 ≅ ∠3
  • e) Lines are parallel if consecutive exterior angles are equal

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