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Mathematics, 06.11.2020 22:30 shamim5364
Which of the following are necessary when proving that the opposite sides of a parallelogram are congruent? Check all that apply.
1. Opposite sides are perpendicular.
2. Opposite sides are parallel.
3. Alternate interior angles are supplementary.
4. Alternate interior angles are congruent.
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Which of the following are necessary when proving that the opposite sides of a parallelogram are con...
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