题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213517-99016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213517-59815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213518-43321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213518-81462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213518-32833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213518-33209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213519-23619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213519-18794.png)
答案
解析
试题分析:因为直线
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213517-99016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213517-59815.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213518-43321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213519-72236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213520-24547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213520-65854.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213510-12401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213510-68522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213510-80818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213511-30420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213511-37242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213512-10499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213512-94165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213512-79404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213512-78189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213513-94425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213513-91011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213513-92328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213504-42306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213505-55518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213505-93525.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213505-15282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-77431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-82653.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-86441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-75857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-75857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213501-20540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213500-75857.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213501-68604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213453-82945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213453-74160.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213453-98216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213454-13009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213454-46174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213454-55096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213454-91181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213455-69398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213455-28824.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213444-80894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213444-51504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213444-59393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-27144.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-22359.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-10334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-35926.png)
(1)求证:△
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-14194.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213445-88312.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213446-56319.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213446-22499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102213446-94931.png)
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