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Which statements prove that a quadrilateral is a parallelogram?

A - Quadrilateral DEFG has two sets of consecutive angles that are complementary.
B - Quadrilateral DEFG has one set of opposite sides that are both congruent and parallel.
C - Quadrilateral DEFG has diagonals that are congruent.
D - Quadrilateral DEFG has opposite angles that are congruent.

Which statements prove that a quadrilateral is a parallelogram? A - Quadrilateral-example-1
User Svarog
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1 Answer

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Answer:

B - I HOPE THIS IS RIGHT. ...

User Sun Bear
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