如图RT△ABC中AC垂直BC,AD平分∠BAC交BC于点D,DE垂直AD交AB于点EM为AE的中点 BF垂直BC交CM的延长线于点F 1.求证AC/BF=CD/BD 2.若BD=4 CD=3 求证 BE*AC的值
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![如图RT△ABC中AC垂直BC,AD平分∠BAC交BC于点D,DE垂直AD交AB于点EM为AE的中点 BF垂直BC交CM的延长线于点F 1.求证AC/BF=CD/BD 2.若BD=4 CD=3 求证 BE*AC的值](/uploads/image/z/5503242-66-2.jpg?t=%E5%A6%82%E5%9B%BERT%E2%96%B3ABC%E4%B8%ADAC%E5%9E%82%E7%9B%B4BC%2CAD%E5%B9%B3%E5%88%86%E2%88%A0BAC%E4%BA%A4BC%E4%BA%8E%E7%82%B9D%2CDE%E5%9E%82%E7%9B%B4AD%E4%BA%A4AB%E4%BA%8E%E7%82%B9EM%E4%B8%BAAE%E7%9A%84%E4%B8%AD%E7%82%B9+BF%E5%9E%82%E7%9B%B4BC%E4%BA%A4CM%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%8E%E7%82%B9F+1.%E6%B1%82%E8%AF%81AC%2FBF%3DCD%2FBD+2.%E8%8B%A5BD%3D4+CD%3D3+%E6%B1%82%E8%AF%81+BE%2AAC%E7%9A%84%E5%80%BC)
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