若四边形
为正方形,
是
的中点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c29e95e564b7bc4e7c13293c1f08c73.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f968d4bca2443672e4f7295a6360e316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c29e95e564b7bc4e7c13293c1f08c73.png)
更新时间:2020-02-29 13:19:04
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【推荐2】如图,AB是半圆O的直径,P是
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