求过三点
的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783e9115f021bff8cf81461187b03b73.png)
更新时间:2018-12-30 16:45:19
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【知识点】 求圆的一般方程
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知三角形的三个顶点的坐标分别为
,求这个三角形外接圆的一般方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19aeb4d4faf90445f1a6b63579aee0cb.png)
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知圆
经过
,
两点,且圆心
在直线
上.
(Ⅰ)求圆
的标准方程;
(Ⅱ)若直线
:
与圆
相交于
,
两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc88ea5357b675c01e93c62fea338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adccc941c8f386f897cfdb6e422d5256.png)
(Ⅰ)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef6568efecdabf9e1a2ebeb8438e997.png)
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