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Mathematics, 10.11.2020 04:00 gabby0524

Which of the following are necessary when proving that the opposite size for parallelogram are congruent? Check all that apply. A. Opposite sides are perpendicular.

B. Opposite sides are parallel.

C. Alternate interior angles are supplementary.

D. Alternate interior angles are congruent.

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Which of the following are necessary when proving that the opposite size for parallelogram are congr...
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