Respuesta :

miinoliwickramasingh

  1. Opposite sides are congruent (AB = DC).
  2. Opposite angels are congruent (D = B).
  3. Consecutive angles are supplementary (A + D = 180°).
  4. If one angle is right, then all angles are right.
  5. The diagonals of a parallelogram bisect each other.
  6. Each diagonal of a parallelogram separates it into two congruent