如图,已知,△ABC和△ADE均为等边三角形,BD、CE交于点F. (1)求证:BD=CE; (2)求锐角∠BFC的度数.

问题描述:

如图,已知,△ABC和△ADE均为等边三角形,BD、CE交于点F.

(1)求证:BD=CE;
(2)求锐角∠BFC的度数.

(1)证明:∵△ABC和△ADE均为等边三角形,∴AE=AD、AB=AC,又∵∠EAD=∠BAC=60°,∠EAD+∠DAC=∠BAC+∠DAC,即∠DAB=∠EAC,在△EAC和△DAB中,AE=AD∠DAB=∠EACAB=AC,∴△EAC≌△DAB,即可得出BD=CE.(2)...