Mathematics, 14.07.2019 09:20 shemarmcdonald4662

Which of the following are necessary when proving the opposite sides of a parallelogram are congruent? check all that apply. a) opposite sides are perpendicular b) corresponding parts of similar triangles are similar c) opposite sides are congruent d) corresponding parts of congruent triangles are congruent

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Which of the following are necessary when proving the opposite sides of a parallelogram are congruen...