直线
被圆
所截得的弦长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9021f0886cadf8d9f6f12d50be1d3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
更新时间:2023-08-05 19:01:53
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【知识点】 圆的弦长与中点弦
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