题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024841-93219.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024841-81408.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024841-99577.png)
解析
试题分析:法一待定系数法:设圆的方程(标准方程或一般方程均可),将三个点代入解方程组求待定系数。法二几何法:易知弦
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024842-20531.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024842-70692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024842-85134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024842-12367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024842-72905.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024843-89947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024841-99577.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024836-36804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024836-31270.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024831-30356.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024831-44123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024831-14666.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024822-90994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024822-60289.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024823-79248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024823-61395.png)
(1)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024822-90994.png)
(2)若点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024823-45804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024822-90994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024823-98118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024823-22484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-34030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-99958.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-61829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024811-20239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024811-31612.png)
(1)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-34030.png)
(2)求过点
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024811-80040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024811-83548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-34030.png)
(3)已知
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024811-82041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024812-19808.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024810-34030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024812-78361.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024812-96281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024812-74087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024804-44146.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024805-39223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024805-88903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023024805-28645.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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