Which statement must be true to prove that a quadrilateral is a parallelogram?

A) Consecutive angles are acute.

B) Opposite angles are complementary.

C) Consecutive angles are complementary.

D) Opposite angles are congruent.

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3 September, 23:32

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Gia Perkins · Answer 1

Gia Perkins 3 September, 23:47

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I would go with D, but not sure.

Which statement must be true to prove that a quadrilateral is a parallelogram?A) Consecutive angles are acute.B) Opposite angles are complementary.C) Consecutive angles are complementary.D) Opposite angles are congruent.