初二探索三角形全等的条件,
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/23 14:01:59
初二探索三角形全等的条件,
![](http://img.wesiedu.com/upload/4/ef/4ef27888f3faaeb4305e8e34874025f1.jpg)
![](http://img.wesiedu.com/upload/f/65/f65980d1953e5716f4b1d747340baa52.jpg)
![](http://img.wesiedu.com/upload/1/9c/19ce7d0e80410c6976755acf95ce1a77.jpg)
![](http://img.wesiedu.com/upload/4/ef/4ef27888f3faaeb4305e8e34874025f1.jpg)
![](http://img.wesiedu.com/upload/f/65/f65980d1953e5716f4b1d747340baa52.jpg)
![](http://img.wesiedu.com/upload/1/9c/19ce7d0e80410c6976755acf95ce1a77.jpg)
![初二探索三角形全等的条件,](/uploads/image/z/19329150-30-0.jpg?t=%E5%88%9D%E4%BA%8C%E6%8E%A2%E7%B4%A2%E4%B8%89%E8%A7%92%E5%BD%A2%E5%85%A8%E7%AD%89%E7%9A%84%E6%9D%A1%E4%BB%B6%2C)
1全等,B为中点即EB=FB,三边对应相等,所以全等
2△ABC≌△DFE,因为BE=CF,所以BE+EC=CF+EC,即BC=FE,又因为AB=DF,AC=DE,三边对应相等,所以全等
2△ABC≌△DFE,因为BE=CF,所以BE+EC=CF+EC,即BC=FE,又因为AB=DF,AC=DE,三边对应相等,所以全等