如图,在▱
中,
垂直平分
,且
,
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ce06dbe9e1177468781ba4aff85ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/650e5d85-25bd-4dd5-b3c9-057f7fa40d93.png?resizew=181)
更新时间:2023-07-16 20:56:52
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【推荐1】如图,在Rt△ABC中,∠ABC=90°,AB=BC,点D是线段AC上一点,连接BD.以BD直角边作等腰直角△BDE,∠DBE=90°,连接AE,点F为AE中点,若AB=4,BF=1,则AD的长为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/18/7d32d5c0-4e0c-4498-9fdb-3222c24f84ba.png?resizew=141)
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【推荐2】如图,将△ABC绕点A逆时针旋转得到△ADE,点C和点E是对应点,若∠CAE=90°,AB=1,则BD=_________ .
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【推荐1】已知
中一条对角线分
为35°和45°,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
________ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
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【推荐2】
中,
,
,则
与
之间的距离是______ ;若
,四边形
的面积是___ ,
的面积是___ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
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