Respuesta :

mhanifa

Answer:

  • 95°

Step-by-step explanation:

Given

  • Parallel lines AD and BC

AB is reversal therefore

  • ∠ABC and ∠DAB are supplementary angles

As per definition, supplementary angles add up to 180°:

  • ∠ABC + ∠DAB = 180°
  • ∠ABC + 85° = 180°
  • ∠ABC = 180° - 85° = 95°