如图12-4-19,在△ABC中,AB=CB,AB⊥CB,E为CB延长线上一点,点F在AB上,且AE=CF.①求证:Rt△ABE≌Rt△CBF.②判定直线CF和直线AE的位置关系,并说明理由.
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![如图12-4-19,在△ABC中,AB=CB,AB⊥CB,E为CB延长线上一点,点F在AB上,且AE=CF.①求证:Rt△ABE≌Rt△CBF.②判定直线CF和直线AE的位置关系,并说明理由.](/uploads/image/z/14108507-35-7.jpg?t=%E5%A6%82%E5%9B%BE12-4-19%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CAB%3DCB%2CAB%E2%8A%A5CB%2CE%E4%B8%BACB%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E7%82%B9F%E5%9C%A8AB%E4%B8%8A%2C%E4%B8%94AE%3DCF.%E2%91%A0%E6%B1%82%E8%AF%81%EF%BC%9ARt%E2%96%B3ABE%E2%89%8CRt%E2%96%B3CBF.%E2%91%A1%E5%88%A4%E5%AE%9A%E7%9B%B4%E7%BA%BFCF%E5%92%8C%E7%9B%B4%E7%BA%BFAE%E7%9A%84%E4%BD%8D%E7%BD%AE%E5%85%B3%E7%B3%BB%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.)
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