已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF是矩形DBCE,A在DE上,F在BC上,角BAC=90°
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![已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF是矩形DBCE,A在DE上,F在BC上,角BAC=90°](/uploads/image/z/15079302-54-2.jpg?t=%E5%B7%B2%E7%9F%A5%3ABA%E2%8A%A5AC%2CAB%3DAC%2CBD%E2%8A%A5DE%2CCE%E2%8A%A5DE%2CBF%3DCF.%E6%B1%82%E8%AF%81%3ADF%3DEF%E6%98%AF%E7%9F%A9%E5%BD%A2DBCE%EF%BC%8CA%E5%9C%A8DE%E4%B8%8A%EF%BC%8CF%E5%9C%A8BC%E4%B8%8A%EF%BC%8C%E8%A7%92BAC%3D90%C2%B0)
已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF是矩形DBCE,A在DE上,F在BC上,角BAC=90°
已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF
是矩形DBCE,A在DE上,F在BC上,角BAC=90°
已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF是矩形DBCE,A在DE上,F在BC上,角BAC=90°
DBCE是矩形?是已知条件吗?
已知:BA⊥AC,AB=AC,BD⊥DE,CE⊥DE,BF=CF.求证:DF=EF是矩形DBCE,A在DE上,F在BC上,角BAC=90°
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