题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-99873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-64170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-99873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-79156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-71012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-99873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-18845.jpg)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-29580.png)
∴∠
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-70496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-68051.png)
∵∠B=∠
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-70496.png)
∴∠B=∠
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-68051.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153437-52523.png)
∴∠
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153437-28409.png)
根据三角形内角和为180°得:∠B+∠BAC+∠C=180°
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-64170.png)
∴∠
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-68051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153435-99873.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153436-68051.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153431-67744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153427-48545.png)
A.2![]() | B.3 | C.![]() | D.1+![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153422-69242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153422-46073.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153422-18009.png)
小题1:图中画出
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153422-56582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153422-18009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153423-34856.png)
小题2:直接写出
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153423-72515.png)
小题3:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153423-51925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153417-42960.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153417-67833.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153418-61693.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153418-97454.jpg)
A.1个 | B.2个 | C.3个 | D.4个 |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153413-66984.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106153413-80649.png)
A B C D
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