如图,已知AB=DC,AC=DB,△ABC≌△DCB,求证:∠ABD=∠DCA
如图,已知AB=DC,AC=DB,△ABC≌△DCB,求证:∠ABD=∠DCA
已知如图,AB=DC.AC=DB,求证:1.△ABC全等于△DCB 2,OA=OD 3.∠ABD=∠DCA
如图,已知AB=DC,AC=DB,求证: (1)∠ABC=∠DCB (2)∠ABD=∠DCA
如图已知AB=CD,AC=DB,求证 (1)∠ABC=∠DCB;(2)∠ABD=∠DCA
如图,已知:AB=DC,AC=DB,求证:∠ABC=∠DCB.
如图,已知∠ABC=∠DCB,∠ABD=∠DCA,说明△ABC≌△DCB
已知:如图,AB=DC,∠BAD=∠CDA.求证:△ABD≌△DCA
已知:如图,AB=DC,∠BAD=∠CDA.求证:△ABD≌△DCA.
如图,在△ABC和△DCB中,AB=DC AC=DB.AC与DB交于点M.(1)求证:△ABC≌
如图,已知D是△ABC内一点,且DB=DC,∠ABD=∠ACD,求证:AB=AC.
已知如图在△ABC中,AB>AC,∠1=∠2.求证AB-AC>DB-DC
这道题怎么证明.如图,已知,AB=DC,AC=DB,求证:角ABC全等角DCB