已知圆
截直线
所得弦的长度为
,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a821bdc6ea0868cd8bd55ca39e72596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32c935806559b1a913a7edb3c804999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01961669cd597f61fa48e9853d678bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2023·全国·模拟预测 查看更多[2]
更新时间:2023-05-01 22:05:55
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