如图,△ABC中,∠ABC=45゜,D为BC上一点,CD=2BD,∠ADC=60゜.AE⊥BC于点E,CF⊥AD于点F,AE、CF相交于点G.
(1)求证:△AFG≌△CFD;
(2)若BC=3,AF=
,求线段EG的长.
(1)证明:连接BF,∵CF⊥AD,∴∠DFC=∠CFD=90°,∵∠ADC=60°,∴∠FCD=30°,∴CD=2DF,∵CD=2BD,∴BD=DF,∴∠DBF=∠DFB,∵∠ADC=∠DFB+∠FBD=60°,∴∠DFB=∠DBF=30°,∵∠ABC=45°,∴∠ABF=45°-30°=1...