已知正方形
与正六边形
都内接于圆
,若正方形边长为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbd783caa4495dc73cf2537dcae0c0a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653f89d5be377001db7079b40c246d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbd783caa4495dc73cf2537dcae0c0a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/405d98d4-1b53-411b-8b24-520a052431f3.png?resizew=174)
更新时间:2023-12-25 13:06:39
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