问题补充:
如图,已知△ABC中,点D,E在BC上,AD=AE,AB=AC,BE=CD.试说明△ABD≌△ACE.
答案:
证明:∵AD=AE,
∴∠ADE=∠AED,
∴∠ADB=∠AEC,
∵AB=AC,
∴∠B=∠C,
在△ABD和△ACE中
∠B=∠C∠BDA=∠CEAAD=AE
时间:2023-04-20 19:26:15
如图,已知△ABC中,点D,E在BC上,AD=AE,AB=AC,BE=CD.试说明△ABD≌△ACE.
证明:∵AD=AE,
∴∠ADE=∠AED,
∴∠ADB=∠AEC,
∵AB=AC,
∴∠B=∠C,
在△ABD和△ACE中
∠B=∠C∠BDA=∠CEAAD=AE