题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-55539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-67791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-79014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-91830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-39085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025136-43903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025136-97060.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-67791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-91830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025136-12826.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025136-88125.png)
解析
试题分析:由相交弦定理得
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-39285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-27662.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-58676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-65039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-78468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025137-58676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-67791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025135-91830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025138-91679.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-14579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-10271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-72036.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-12990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025122-69510.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025122-51559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-14579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025122-18443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025121-10271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025122-58604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025122-84868.png)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025123-35256.png)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025123-55873.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025114-48939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-81773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-36272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025114-48939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-62399.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-81773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-48471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-70042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025116-49425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025115-81773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025116-91251.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-70086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-62574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-30493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-87338.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-82098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-70086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025108-34827.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025109-74404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025109-87744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025109-42840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025109-55328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025056-73494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025056-18938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025056-50817.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025056-47752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025056-32920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025057-99526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025057-53947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025057-42519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025057-99467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025052-32623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023025052-47844.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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