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1 . 已知在平面直角坐标系中放置了个如图所示的正方形(用阴影表示),点
在
轴上,点
、
、
、
、
、
、
在
轴上.若正方形
的边长为1,
,
,则点
到
轴的距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4dbe5d5c8b9c28c6f5eb92278a9f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e9e14b826f3b534c237734392f5ee5.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/81c36208-58d7-402f-a2bc-e7671826841a.png?resizew=321)
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2 . (1)如图,圆
的弦
与直径
相交于点
,所成角60°,且分直径为
,
两段,则
长度___________________________ .
(2)
中,
,
,
,以
为一边向外作正方形
,
为
、
交点,则
长为___________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)
![](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/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92d220be10b55272aab5bacd9f69721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/17/8f6edb83-3a17-4904-945f-50364e78fafc.png?resizew=300)
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3 . 在平面直角坐标系中,直线
:y=x+1与y轴交于点A1,如图所示,依次作正方形OA1B1C1,正方形C1A2B2C2,正方形C2A3B3C3,正方形C3A4B4C4,…,点A1,A2,A3,A4,…在直线
上,点C1,C2,C3,C4,…在x轴正半轴上,则Bn的坐标是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2020/10/9/2567055369428992/2568212019363840/STEM/30e46c79435e4ac0b28ed03c7a65f922.png?resizew=287)
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4 . 如图,在△ABC中,AB=5,D为边AB上-动点,以CD为一边作正方形CDEF,当点D从点B运动到点A时,点E运动的路径长为_________ .
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2020-10-07更新
|
1116次组卷
|
5卷引用:2020年湖北省武汉市江夏区九年级中考数学一模试题
2020年湖北省武汉市江夏区九年级中考数学一模试题(已下线)重难点03 探究动态几何问题-2021年中考数学【热点·重点·难点】专练(已下线)专题27.32 相似三角形动点问题(培优篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(人教版)(已下线)专题27.17+相似三角形的性质(培优篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(人教版)(已下线)重难点06 相似三角形模型及其压轴类型(8大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(广东专用)
5 . 如图,点
为正方形
边
的中点,连接
、
,
交对角线
于点
,连接
交
于点
,如果
,那么线段
的长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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![](https://img.xkw.com/dksih/QBM/2020/8/5/2521123327098880/2524038798442496/STEM/7ecbb21dac4743cdaed42f32bbb1f592.png?resizew=131)
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6 . 如图,在平面直角坐标系中,一次函数y=2x﹣5的图象经过正方形OABC的顶点A和C,则正方形OABC的面积为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/240d6413-7f85-436d-bafc-3ae981f42d43.png?resizew=187)
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2020-07-11更新
|
538次组卷
|
5卷引用:江苏省连云港市赣榆区2019-2020学年八年级下学期期中数学试题
江苏省连云港市赣榆区2019-2020学年八年级下学期期中数学试题广西贵港市2019-2020学年八年级下学期期末数学试题湖北省黄石市阳新县2020-2021学年八年级下学期期末考试数学试题(已下线)专题19.46 一次函数题型分类专题(面积问题)(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)(已下线)YHmlsjsxXJ843.pdf
名校
解题方法
7 . 已知如图,正方形ABCD的边长为4,取AB边上的中点E,连接CE,过点B作BF⊥CE于点F,连接DF.过点A作AH⊥DF于点H,交CE于点M,交BC于点N,则MN=_____ .
![](https://img.xkw.com/dksih/QBM/2020/7/6/2499949593329664/2500276693762049/STEM/06c9fa15b6e24f15b2047ac56f307476.png?resizew=125)
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2020-07-06更新
|
397次组卷
|
3卷引用:2020年江苏省连云港市赣榆区九年级三模数学试题
解题方法
8 . 如图,正方形ABCD的边长为
,E在正方形外,DE=DC,过D作DH⊥AE于H,直线DH,EC交于点M,直线CE交直线AD于点P,则下列结论正确的是____________
![](https://img.xkw.com/dksih/QBM/2020/6/24/2491557858951168/2493622569852928/STEM/0872a56c22204c3287ac62aa9217acfb.png?resizew=272)
①∠DAE=∠DEA;②∠DMC=45°;③
;④若MH=2,则S△CMD=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/2020/6/24/2491557858951168/2493622569852928/STEM/0872a56c22204c3287ac62aa9217acfb.png?resizew=272)
①∠DAE=∠DEA;②∠DMC=45°;③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9503680f3673aa1766de079b38f339b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690aa31059726d3bb1a3f1e96aaaebc2.png)
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9 . 已知,边长为6的正方形ABCD中,AC、BD相交于点O,点E是直线AB上一点,点F是直线AD上一点,且
,连接EF交BD于点G,交AC于点H,则线段EH的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d343ca820ade6b33980888dc2e9e49ad.png)
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10 . 如图,在边长为1的正方形
中,对角线
,
相交于O.点.H为边
上的点,过点H作
,交线段
于点E,连接
交
于点F,交
于点G.若
,则
的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/04518b2a-c255-4657-a697-0ca99d20985b.png?resizew=141)
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