(1)已知:如图所示,BD与EC交于F点,AD=AE,∠B=∠C. 求证:①AB=AC;②△EFB≌△DFC;③BF=FC. (2)如图所示,△ABD≌△ACE.求证:FE=FD. 查看更多

 

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(1)已知:如图所示,BDEC交于F,AD=AE,∠B=∠C.

求证:①AB=AC;②△EFB≌△DFC;③BF=FC.

(2)如图所示,△ABD≌△ACE.求证:FE=FD.

查看答案和解析>>

11、(1)已知:如图所示,BD与EC交于F点,AD=AE,∠B=∠C.
求证:①AB=AC;
②△EFB≌△DFC;
③BF=FC;
(2)如图所示,△ABD≌△ACE.求证:FE=FD.

查看答案和解析>>

(1)已知:如图所示,BD与EC交于F点,AD=AE,∠B=∠C.
求证:①AB=AC;
②△EFB≌△DFC;
③BF=FC;
(2)如图所示,△ABD≌△ACE.求证:FE=FD.

查看答案和解析>>

(1)已知:如图所示,BD与EC交于F点,AD=AE,∠B=∠C.
求证:①AB=AC;
②△EFB≌△DFC;
③BF=FC;
(2)如图所示,△ABD≌△ACE.求证:FE=FD.

查看答案和解析>>


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