如图,在正方形
中,已知
,
,则
的长是_____________ ,其对角线的交点坐标是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a4f60b270ad2d549d8b0286088e9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9600cfda8afef80a55892d91186a38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
更新时间:2024-04-28 14:12:03
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【推荐1】如图,在平面直角坐标系中,正方形
的边垂直或平行于坐标轴,直线
与正方形的边
、
分别交于点
、
(点
、
不重合),若点
的坐标为
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的取值范围是__________ .
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【推荐2】如图:已知两直线
和
相交于点A
,且OA=OB,则点B的坐标为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
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【推荐1】如图,在Rt△ABC中,∠C=90°,AC=3,BC=4,点F在边AC上,并且CF=1,点E为边BC上的动点,将△CEF沿直线EF翻折,点C落在点P处,连接BP,则线段BP长的最小值是_____ .
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【推荐2】如图,在等边△ABC中,AB=12,点M,N在边BC上,若AM=AN=
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【推荐1】如图,直线
的解析式为
与x轴交于点M,与y轴交于点A,以
为边作正方形
,点B坐标为
.过B点作直线
交
于点E,交x轴于点
,过点
作x轴的垂线交
于点
,以
为边作正方形
,点
的坐标为
.过点
作直线
交
于
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于点
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,…,则点
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【推荐2】如图,等腰直角三角形
,
为直角顶点,直角边长为
,正方形
,边长为
,可绕点
点逆时针旋转(小于
度,
旋转前与
边重合).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/ece17d95-31e6-4618-a1e7-5048d519efa4.png?resizew=177)
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85cfaafce8f597ca12c6fa209df019a.png)
![](https://img.xkw.com/dksih/QBM/2023/1/12/3151374433312768/3152424078721024/STEM/85305115544a4711a6e8e38e4c489221.png?resizew=4)
______ .
(2)当
,
,
在同一直线时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
______ .
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(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85cfaafce8f597ca12c6fa209df019a.png)
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(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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