salgadodarwin1
salgadodarwin1
20.05.2021 • 
Mathematics

Adrianna wants to prove that a given quadrilateral is also a parallelogram. Which approach CANNOT be used to justify her proof? A) Show that both pairs of opposite angles are congruent.
B) Show that both pairs of opposite sides are congruent.
C) Show that the diagonals are congruent.
D) Show that all pairs of consecutive angles are supplementary.

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