如图,在
中,
是
的角平分线,将
绕点
逆时针旋转,如果点
落在射线
上,点
落在点
处,连接
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8686e3addd80d76d817d1641f59d18e4.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bdb7b807d3b72937ad890bf7b9afa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8686e3addd80d76d817d1641f59d18e4.png)
![](https://img.xkw.com/dksih/QBM/2023/1/6/3147049316818944/3148361349455872/STEM/2fdd5c8d5ac64fc38381f9e03abedcff.png?resizew=188)
更新时间:2023-01-08 13:40:28
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适中
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名校
【推荐1】如图,在
中,
,以
的三边为边向外作正方形
,正方形
,正方形
,连接
,
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于点P,记正方形
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【推荐2】如图,在
中,
是
的角平分线
,垂足为E,若CD=6,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
________________ .
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【推荐1】如图,
.
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a836d2dfc31d2bfc949bac8403cf2a4e.png)
__________ ;
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北偏东__________ 度的方向上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434845564fd5765244f8d1aa9240fa39.png)
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(1)若
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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【推荐2】如图,在
中,
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的垂直平分线交
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于点
,交
于点
,连接
,
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,
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________
.
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【推荐1】如图,
中,
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将
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您最近一年使用:0次
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【推荐2】如图,在
中,
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【推荐1】如图,在边长为1正方形ABCD中,点P是边AD上的动点,将△PAB沿直线BP翻折,点A的对应点为点Q,连接BQ、DQ.则当BQ+DQ的值最小时,tan∠ABP=_____ .
![](https://img.xkw.com/dksih/QBM/2019/6/16/2226697578463232/2227605612363776/STEM/3231e25e9dd345b08e8cc0c8d4cb77f8.png?resizew=132)
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【推荐2】如图,AB是⊙O的直径,DA,DC与⊙O相切于点A,C.若AB=AD,则∠ABC的正切值为______ .
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