如图,弦
、
相交于
点,若
,
,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcdf6dead38800a0274b0ec3292fc08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bdbceaa5e04dedd437f9f464872065f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/089859e4-8fdd-47fe-8e41-21e26dc0dc4b.png?resizew=131)
更新时间:2021-04-21 16:26:48
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【推荐1】如图,在
正方形网格中,每个小正方形的边长都是1,点
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的外接圆,则
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【推荐2】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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