已知
,AB=4,
,则BC边的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff316b652250b67fb0baa02acf1f8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cab2b95ce3c7a5524cd69d8f4ad51a.png)
更新时间:2022-07-25 06:05:10
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