如图,△ABC是边长为1的等边三角形,BD=CD,∠BDC=120°,E,F分别在AB,AC上,且∠EDF=60°,求△AEF的周
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 23:31:26
![如图,△ABC是边长为1的等边三角形,BD=CD,∠BDC=120°,E,F分别在AB,AC上,且∠EDF=60°,求△AEF的周](/uploads/image/z/1600278-6-8.jpg?t=%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E6%98%AF%E8%BE%B9%E9%95%BF%E4%B8%BA1%E7%9A%84%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2%2CBD%3DCD%2C%E2%88%A0BDC%3D120%C2%B0%2CE%2CF%E5%88%86%E5%88%AB%E5%9C%A8AB%2CAC%E4%B8%8A%2C%E4%B8%94%E2%88%A0EDF%3D60%C2%B0%2C%E6%B1%82%E2%96%B3AEF%E7%9A%84%E5%91%A8)
xTn0~] )$$DE :Ҫ`
`j购t]JT_wd̀pNV~la2ڒ7IMyҩIgI*p1|,<{Rp_{L;HuϑWm=LFrIoCiG[ pQFطхVj@B!/uTP'CHp )#M@SCD=050~"&51ܡތ¢%\4)z$r/^>/ޜPAo&IqKU_na#v)QKLQ#>Pik0+3AP[ePtQ,@*12)ru\&r