1 . 在平面直角坐标系中,直线
:
与
轴交于点
,如图所示,依次作正方形
、正方形
、……、正方形
,使得点
、
、
、……在直线
上,点
、
、
、……在
轴正半轴上,则点
的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2 . 如图,在平面直角坐标系中,正方形
的顶点O、B的坐标分别是
,
,则顶点C的坐标是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b6a9ffffc0c461881b427c543924cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/15/0c5e4fb2-0e5a-470e-ba18-aaf0dbfda5ab.png?resizew=161)
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2023-09-07更新
|
124次组卷
|
6卷引用:河北省保定市顺平县2022-2023学年八年级下学期期中数学试题
3 . 如图,已知
,
是
的平分线,将三角尺的直角顶点P放在射线
上,两直角边分别与
,
交于点C,D,
垂足为点N,
,则四边形
的面积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/521cf191-ae70-48a9-b59b-cade0b446c0f.png?resizew=132)
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2023-08-17更新
|
105次组卷
|
2卷引用:辽宁省丹东市2022-2023学年七年级下学期期末数学试题
4 . 正方形
,
,
,…按如图所示位置,点
在直线
上,点
在
轴上,则点
的坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4635a4e561d862638f6818e85e74bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220a67f3143cc51f6496c874d3ce4f2b.png)
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5 . 如图,正方形
的边长为1,若反比例函数
的图象与正方形
的边有两个交点,则k的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf319e356d95444e3704cc551d62364.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/bd4b1edf-5d41-4f64-8c75-aaeaa1ddfebf.png?resizew=204)
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6 . 若正方形的面积为36,则该正方形的对角线长为______ .
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7 . 如图,在矩形
中,
.将矩形沿
翻折,使点
恰好落在边
上的
处,再将四边形
绕点
逆时针旋转
得到四边形
,
交
于点
,则
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ba94cec6c03980be9ca03774379fa2.png)
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2023-07-28更新
|
32次组卷
|
2卷引用:2023年吉林省松原市前郭县学区九年级第二次模拟数学试题
名校
8 . 如图,直线
的解析式为
与
轴交于点
,与
轴交于点
,以
为边作正方形
,点
坐标为
,过点
作
交
于点
,交
轴于点
,过点
作
轴的垂线交
于点
,连接
,以
为边作正方形
,点
的坐标为
.过点
作
交
于
,交
轴于点
,过点
作
轴的垂线交
于点
,连接
,以
为边作正方形
,…,则
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
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9 . 如图,在正方形
中,点
是边
上一点,且
,
,点
是边
上的动点(
与
,
不重合),则
的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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10 . 在学习了“中心对称图形——平行四边形”之后,平行四边形、矩形、菱形、正方形的关系可以用下面的关系图表示,则②处所填图形的名称应为____ .
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