三角形热热
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/08/18 18:43:00
![](http://img.wesiedu.com/upload/b/56/b565d45ca7cbc15ef64e61697782bfb8.png)
老师,希望您能够解答出来,过程一定要清晰,最好不要拍照片.
![三角形热热](/uploads/image/z/19955273-41-3.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2%E7%83%AD%E7%83%AD)
解题思路: (1)在AE上取一点F,使AF=AB,及可以得出△ACB≌△ACF,就可以得出BC=FC,∠ACB=∠ACF,就可以得出△CEF≌△CED.就可以得出结论; (2)在AE上取点F,使AF=AB,连结CF,在AE上取点G,使EG=ED,连结CG.可以求得CF=CG,△CFG是等边三角形,就有FG=CG=1 2 BD,进而得出结论; (3)在AE上取点F,使AF=AB,连结CF,在AE上取点G,使EG=ED,连结CG.可以求得CF=CG,△CFG是等腰直角三角形,由勾股定理求出FG的值就可以得出结论.
解题过程:
![](http://img.wesiedu.com/upload/3/df/3df5f9877883c828856af307b49a07dc.jpg)
解题过程:
![](http://img.wesiedu.com/upload/b/23/b232297bc3f344e36cbd30e41b25e746.jpg)
![](http://img.wesiedu.com/upload/5/92/592567ef6b94ca394f7e19d7a8d1ad52.jpg)
![](http://img.wesiedu.com/upload/f/e5/fe54941ab77c0a13e555c4bc5cf961fe.jpg)
![](http://img.wesiedu.com/upload/1/b9/1b91913f1a1af05aa8ab5b9868ae4710.jpg)
![](http://img.wesiedu.com/upload/3/df/3df5f9877883c828856af307b49a07dc.jpg)
![](http://img.wesiedu.com/upload/a/97/a97392f5a225f1649e1901ed3d33ca85.jpg)