题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024924-78736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024925-90396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024925-57941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024925-32137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024925-10804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-25155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-63105.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-77515.png)
解析
试题分析:由已知条件得圆O与直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024925-90396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024924-78736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-45006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-25155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-80565.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-19281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-25155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-80565.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-65691.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-34828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024927-65691.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-63105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024926-77515.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024915-28800.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024916-49735.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024916-67368.png)
(1)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024916-43371.png)
(2)对于圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024916-43371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024916-13925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024917-50807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024917-65971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024917-59433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024917-50807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024911-93728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024911-61848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024911-61848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024911-45505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024901-73067.png)
(1)若圆与直线
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024901-14513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024901-73098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024902-83079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024902-25305.png)
(2)在(1)的条件下,求以
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024902-73704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024853-28979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024854-20314.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024845-42739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024845-18064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024846-23539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024846-98043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024846-38389.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024846-78918.png)
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