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Which criteria must be true to conclude that ABCD is a parallelogram?

AE⎯⎯⎯⎯⎯≅EC⎯⎯⎯⎯⎯ and DE⎯⎯⎯⎯⎯≅EB⎯⎯⎯⎯⎯

AE=12BC

AC⎯⎯⎯⎯⎯≅BD⎯⎯⎯⎯⎯

AE⎯⎯⎯⎯⎯≅BE⎯⎯⎯⎯⎯ and DE⎯⎯⎯⎯⎯≅CE⎯⎯⎯⎯⎯
Parallelogram A B C D with diagonals A C and B D intersecting at E.

User Latia
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Answer:

AC⎯⎯⎯⎯⎯≅BD⎯⎯⎯⎯⎯

AC≅BD

User Sherwood Callaway
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