Mathematics, 22.04.2020 14:58 Skatetank

Which of the following conditions in a quadrilateral proves it is a parallelogram?
A One pair of opposite sides are congruent
B. One angle is supplementary to both consecutive angles
C One pair of opposite angles are congruent.
D. The diagonals are congruent.

Answers: 2

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Which of the following conditions in a quadrilateral proves it is a parallelogram?
A One pair...