如图,∠BAC=90°,AD⊥BC,垂足为D,BE平分∠ABC,AF平分∠DAC,求证:GF∥AC
如图,已知在Rt△ABC中,∠BAC=90°,AD⊥BC于D,BE平分∠ABC,AF平分∠DAC,求证:△BAE≌△BF
如图,在△ABC中,在∠BAC=90°,BE平分∠ABC交AC于点E,AE=AF,求证:(1)AD⊥BC;(2)∠DAC
如图,△ABC中,∠BAC=90°,AD⊥BC,D为垂足,AE平分∠DAC,交BC与点E,BF平分∠ABC,交AC于点F
如图所示,三角形ABC中,角BAC=90度,AD垂直BC于D,BE平分角ABC,AF平分角DAC.求证::EF平行AC
如图所示,三角形ABC中,角BAC=90度,AD垂直BC于D,BE平分角ABC,AF平分角DAC.求证:EF平行AC
已知,如图,Rt△ABC中,角BAC=90°,AD⊥BC于D,BE平分角ABC,AF平分角DAC,求证EA=EF
如图,三角形ABC中,∠BAC=90度,AD垂直BC,D为垂足,AF平分∠BAD,CM平分∠ACB,M在AF上.求证:C
已知,如图,△ABC中,∠BAC=90°,AD⊥BC于点D,BE平分∠ABC,交AD于点M,AN平分∠DAC,交BC于点
如图所示,在RT三角形ABC中,角BAC=90度,AD垂直BC于D,BE平分角ABC,AF平分角DAC.求证角BAC全等
已知△ABC,∠BAC=90°,AD⊥BC于D,BF平分∠ABC交AD,AC于E,F.求证:AE=AF
已知:如图,在△ABC中,∠ BAC=90°,AO⊥BC于D,BE平分∠ABC.求证:AE=AF
如图所示,已知∠BAC=90°,AD⊥BC,垂足为D,BE平分∠ABC,交AD于F,AC于E,试说明AE=AF