如图,在
中,
,若
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a6092f2bda3e6e911ce669665818d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c856ee25f1d1b995e9fca2bdb56e1a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/170aba6f-7071-4af8-a0ae-78ab95bfcca8.jpg?resizew=129)
更新时间:2023-07-31 11:10:11
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【推荐1】如图,已知点C为线段AB的中点,CD⊥AB且CD=AB=4,连接AD,BE⊥AB,AE是
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【推荐2】如图,等边
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【推荐1】如图,已知正方形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
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【推荐1】如图,反比例函数y
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,则点C的坐标是 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86dbcb009fb9e25cc1d3f447c89fa482.png)
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【推荐2】定义:在平面直角坐标系中,一个图形先向右平移a个单位,再绕原点按顺时针方向旋转θ角度,这样的图形运动叫作图形的γ(a,θ)变换.
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