如图,为平行四边形的边延长线上一点,连结,交边于点.在不添加

如图,为平行四边形的边延长线上一点,连结,交边于点.在不添加辅助线的情况下,请写出图中一对相似三角形:             

  

答案

 ADF~△ECF

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