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which of the following are necessary when proving that the opposite angles of a parallelogram are congruent. Check all answers that apply

which of the following are necessary when proving that the opposite angles of a parallelogram-example-1
User Chriad
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2 Answers

4 votes

Answer:

C and D

Explanation:

User Wouter Vegter
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1 vote
corresponding parts of corresponding triangles are congruent and angle additional postulate ?
User Wenbing Li
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