如图,在矩形
中,
,
是半径为2的
的切线,切点为E,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b60a8678bf69cd501d39231fe964b1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b4da8d254b7d76b7615d7f7cd824a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b60a8678bf69cd501d39231fe964b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/e3c88f32-ca98-4286-95e3-d51ba4a5a9e2.png?resizew=137)
更新时间:2023-04-02 20:13:44
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