题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105007-96465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105007-64726.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105007-71408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105007-76232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105008-58295.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105008-83043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105008-88979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105008-93441.png)
A.4 | B.8 | C.16 | D.32 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105007-71408.png)
如图,过A作准线的垂线,垂直为M,则有AM=AF,所以
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105009-56812.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105008-93441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105009-14500.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105009-77868.jpg)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105001-13173.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024105001-95271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104955-62373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104955-68451.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104956-52177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104956-76695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104956-96014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104956-56117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104957-25473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104957-39093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104951-91473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104951-88526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104951-77028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-56989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-32483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-75110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-56587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-57051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-27847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104943-91257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104943-71985.png)
①求证:直线
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104942-32483.png)
②求点
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104943-71985.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104943-16482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104936-75788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104937-74855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104937-88635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104937-20367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104937-23874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024104938-84771.png)
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