已知
,两圆
与
相交于A、B两点,且在点A处两圆的切线互相垂直,则线段AB的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23854f2daebc895eca7cf824a328aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3dc0a949c62e5bb02e2c58b8eed1e6.png)
A.3 | B.4 | C.![]() | D.![]() |
2021高二·江苏·专题练习 查看更多[2]
更新时间:2022-01-04 07:05:29
|
【知识点】 两圆的公共弦长
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