2011·四川·一模
解题方法
1 . 过点
作圆O:
的两条切线,切点为
,则△
的外接圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bc3d0a9d96d86c6246a95da08a92b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() |
C.![]() | D.![]() |