名校
解题方法
1 . 已知圆
与圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fcdde20c0d2b2f85b845fdbb4202fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca86a19ab5201357e6521ee78599ffa.png)
A.两圆的圆心距为![]() |
B.两圆的公切线有3条 |
C.两圆相交,且公共弦所在的直线方程为![]() |
D.两圆相交,且公共弦的长度为![]() |
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名校
2 . 点
在圆
上,点
在圆
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8acf52968f3d7a4e52ed52a1dfea648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a509058e6aaa06e7b40314aa4fc60f.png)
A.圆![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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