如图,点O是正六边形
的中心,边心距
,则
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc7745563da6f245cd6d51a7a266c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/6be2097d-0f55-4051-97e0-1c8d1e01c60f.png?resizew=124)
更新时间:2022-11-03 11:15:52
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【推荐1】如图,已知矩形
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