已知:如图□ABCD中,DM=BN,BE=DF,求证:四边形MENF是平行四边形.

已知:如图□ABCD中,DM=BNBE=DF,求证:四边形MENF是平行四边形.

  

答案

证△BEN≌△DFM,∴EN=FM,再证:△BFN≌△DENNFME∴四边形MENF是平行四边形.

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