1 . 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)
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2 . 已知,如图,
,作正方形
,周长记作
;再作第二个正方形
,周长记作
,继续作第三个正方形
,周长记作
;点
在射线
上,点
在射线
上,.依此类推,则第
个正方形的周长
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b184e326b5b7ea58604ecc1bad6ff518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551d9dbea6e2147f1a626e58ce6e871c.png)
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2020-10-09更新
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140次组卷
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11卷引用:2016届辽宁省大石桥市水源镇二中九年级4月阶段检测数学试卷
2016届辽宁省大石桥市水源镇二中九年级4月阶段检测数学试卷2017届辽宁省大石桥市水源镇九年一贯制学校九年级4月月考数学试卷辽宁省铁岭市部分校2020-2021学年九年级上学期第一次调研考试数学试题2017届四川省简阳市石板学区九年级下学期第一次中考模拟数学试卷【全国校级 联考】江苏省宿迁市泗洪县明德学校2017届九年级中考模拟测试数学试题人教版八年级数学下册 18.2 正方形的性质与判定 课堂练习人教版八年级下册 第十八章 《平行四边形》单元练习题广东省高州市初中卓越联盟2020-2021学年九年级10月联考数学试题(A)四川省成都新津为明学校(南校区)2020-2021学年九年级上学期期中数学试题山东省泰安市泰山区泰安泰山实验中学2022-2023学年八年级下学期期中数学试题山东省泰安市肥城市2023-2024学年八年级下学期期中数学试题
3 . 如图,
,点
是
上的点,过
作
,
交
于点
,以
为边在
右侧作正方形
,过点
作
的垂线,分别交
,
于点
,
,以
为边在
右侧作正方形
……,依此类推,若
,则正方形
的面积
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6b253b7f7aa120fa6dd980bfc5fabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
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4 . 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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5 . 如图,
,
,
……在直线上
,
,
,
……在直线上
,
,四边形
为正方形,则四边形
的面积是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/1fde81c9-37d5-4fbf-9de0-4dd6911f8fdf.png?resizew=211)
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2020-08-04更新
|
608次组卷
|
2卷引用:2020年辽宁省抚顺市新抚区九年级下学期教学质量检测(五)数学试题
6 . 已知正方形ABCD中,点E在边DC上,DE=3,EC=1,如图所示,把线段AE绕点A旋转,使点E落在直线BC上的点F处,则F、C两点的距离为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/ac070fb7-472c-49e2-aabf-550af890bc32.png?resizew=129)
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2020-07-30更新
|
195次组卷
|
4卷引用:辽宁省沈阳市法库县2023-2024学年九年级上学期期末数学试题
辽宁省沈阳市法库县2023-2024学年九年级上学期期末数学试题江苏省连云港市海州区2019-2020学年八年级下学期期末数学试题云南省文山州2019-2020学年八年级下学期期末数学试题(已下线)【万唯原创】2021年河北试题研究-练册-第二部分专题四微专题
解题方法
7 . 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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8 . 如图1,直角三角形纸片的一条直角边长为2,剪四块这样的直角三角形纸片,把它们按图2放入一个边长为3的正方形中(纸片在结合部分不重叠无缝隙),则图2中阴影部分面积为_____ .
![](https://img.xkw.com/dksih/QBM/2020/7/1/2496350923350016/2498048572522496/STEM/89c23b8843d846af8a5c556ce5650857.png?resizew=179)
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2020-07-03更新
|
1440次组卷
|
14卷引用:辽宁省沈阳七中、虹桥中学2021-2022学年九年级上期期初数学试题
辽宁省沈阳七中、虹桥中学2021-2022学年九年级上期期初数学试题辽宁省葫芦岛市南票区2021-2022学年八年级下学期期末数学试题浙江省绍兴市2020年中考数学试题黑龙江鸡西实验中学2019-2020学年八年级下学期期末数学试题(已下线)考点14 等腰三角形与直角三角形-备战2021年中考数学核心考点清单(已下线)考点23 直角三角形与勾股定理—2021年《三步冲刺中考·数学》(全国通用)之第1步小题夯基础(已下线)【万唯原创】2021年广东省试题研究-讲册-第二部分 题型研究3-4(已下线)【万唯原创】2021年广东试题研究-讲册第二部分 题型二、三(已下线)【万唯原创】2021年山西试题研究-练册-第四章5新疆维吾尔自治区省直辖县级行政单位五家渠市2020-2021学年八年级下学期期末数学试题河南省信阳市罗山县2020-2021学年八年级下学期期末数学试题2022年湖北省枣阳市中考适应性考试数学试题(已下线)专题10 三角形-三年(2020-2022)中考数学真题分项汇编(浙江专用)山东省泰安市树人外国语学校2021-2022学年七年级下学期期中数学试题
9 . 正方形如图放置,点A1,A2,A3,…An在直线y=x+1上,C1,C2,C3,…Cn在x轴上,则Bn的坐标为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/0314d0a8-127c-4f91-8a74-52685bf6eba2.png?resizew=278)
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名校
10 . 如图,在平面直角坐标系中,
,
,
,
,点
在
轴上,满足
,则点
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd4da08956db1f206c8ea026f4e52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e894101c52591ac320eed1c9b452f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cb0c5beab6541ee2fe43427c511a22.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151793680384/2466703512551424/STEM/c88ae31b-30c4-4b1b-89b2-befe9cb961c9.png?resizew=176)
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2020-05-20更新
|
299次组卷
|
5卷引用:辽宁省沈阳市第七中学2022-2023学年八年级上学期10月月考数学试题
辽宁省沈阳市第七中学2022-2023学年八年级上学期10月月考数学试题辽宁省沈阳市第七中学2022-2023学年八年级上学期10月月考数学试题湖北省武汉市江岸区2019-2020学年八年级下学期期中数学试题(已下线)第15章 平面直角坐标系(压轴30题专练)-2021-2022学年七年级数学下学期考试满分全攻略(沪教版)浙江省宁波市慈溪市慈吉实验学校2023-2024学年八年级上学期第一次月考数学试题