如图,在矩形
中,
,点
是
边上一动点(点
不与
,
重合),连接
,以
为边在直线
的右侧作矩形
,使得矩形
矩形
,
交直线
于点
.
的运动过程中,
与
始终保持相似关系,请说明理由.
(2)【深入探究】若
,随着
点位置的变化,
点的位置随之发生变化,当
是线段
中点时,求
的值.
(3)【拓展延伸】连接
,
,当
是以
为腰的等腰三角形时,求
的值(用含
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c2dfe278dcbb58b0c5c2cbebafab27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e279ad372652147be73c8a834734df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1f3c649b1032b432f4bccf7caf7bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b238947afe06e2fb5f2a98bde3bd0f01.png)
(2)【深入探究】若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4953f64aead21c2a2e50a248d88c5a07.png)
(3)【拓展延伸】连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378f75f81c44553787e0fa2f8a28c794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4953f64aead21c2a2e50a248d88c5a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
2022·四川成都·中考真题 查看更多[24]
2022年四川省成都市中考数学真题(已下线)专题15 相似三角形-2022年中考数学真题分项汇编(全国通用)(第1期)(已下线)专题09 图形的平移、对称、旋转与相似-2022年中考数学真题分项汇编 (四川专用)(已下线)专题16 四边形压轴题-三年(2020-2022)中考数学真题分项汇编(四川专用)(已下线)2022年四川省乐山市中考数学真题变式汇编22-26(已下线)2022年四川省自贡市中考数学变式题23-26(已下线)专题4.46 三角形相似与动点问题(巩固篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(北师大版)(已下线)2022年四川省南充市中考数学真题变式题21-25题(已下线)2022年四川省达州市中考数学真题变式题21-25题(已下线)2022年四川省成都市中考数学真题变式题21-26题(已下线)广西壮族自治区南宁市青秀区三美学校2022-2023学年九年级上学期期末数学试题(已下线)专题27.39 相似三角形与动点问题(巩固篇)(专项练习)-2022-2023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28.19 锐角三角函数(挑战综合(压轴)题分类专题)(专项练习)-2022-2023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1.21 直角三角形的边角关系(挑战综合(压轴)题分类专题)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)专题7.19 锐角三角函数(挑战综合(压轴)题分类专题)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)(已下线)专题6.44 相似三角形与动点问题(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)(已下线)专题1.21 解直角三角形(挑战综合(压轴)题分类专题)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(浙教版)2023年福建省福州市延安中学中考二检(期中)数学试题2023年福建省福州金山中学中考模拟数学试题2023年福建省福州市仓山区福州金山中学中考三模数学试题(已下线)2023年福建二模(几何综合)广东省深圳市龙岗区龙城高级中学(教育集团)龙城初级中学2023-2024学年九年级上学期月考数学试题2023年浙江省金衢十二校中考数学模拟预测题(已下线)难点05 相似三角形综合(与三角形综合,与四边形综合)-2024年中考数学【热点·重点·难点】专练(四川成都专用)
更新时间:2022-06-15 15:16:34
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相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知:如图,在矩形ABCD中,AC是对角线.点P为矩形外一点且满足AP=PC,AP⊥PC.PC交AD于点N,连接DP,过点P作PM⊥PD交AD于M.
(1)若AP=
,AB=
BC,求矩形ABCD的面积;
(2)若CD=PM,求证:AC=AP+PN.
(1)若AP=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
(2)若CD=PM,求证:AC=AP+PN.
![](https://img.xkw.com/dksih/QBM/2017/12/3/1830627574964224/1831751402979328/STEM/e445682f663440fab40779a36290efdc.png?resizew=204)
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名校
【推荐2】对于正数
,用符号
表示
的整数部分,例如
,
,
,点
在第一象限内,以
为对角线的交点画一个矩形,使它的边分别与两坐标轴垂直,其中垂直于
轴的边长为
,垂直于
轴的边长为
,那么,把这个矩形覆盖的区域叫做点
的矩形域,例如:点
的矩形域是一个以
为对角线交点,长为
,宽为
的矩形所覆盖的区域,如图
所示,它的面积是
.
(1)在图
所示的坐标系中画出点
的矩形域,该矩形域的面积是______;
(2)点
,
的矩形域重叠部分面积为
,则
的值为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3a56a0bcbd83a4b2a542dd9b767cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447edcfb531a10755c19709915f0376e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9feb047004eb507de484a7f8c5b6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946edf1fb138fb3f92b1f8938646c079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa6b27b6442cafd26eaa354c45bd857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa6b27b6442cafd26eaa354c45bd857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
(1)在图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea4f80a7fe329e219fccd259422b1cb.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4c0a95cee7a1e2b0c39762cf56cf5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10facc8c052f1f3a9f47e00553006691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-证明题
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【推荐1】如图,在▱ABCD中,∠BAD的平分线交边BC于点E,交DC的延长线于点F,点G在AE上,联结GD,∠GDF=∠F.
(1)求证:AD2=DG•AF;
(2)联结BG,如果BG⊥AE,且AB=6,AD=9,求AF的长.
(1)求证:AD2=DG•AF;
(2)联结BG,如果BG⊥AE,且AB=6,AD=9,求AF的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/ddfe4e99-6de4-430c-921f-e791ed1e4d1b.png?resizew=172)
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解答题-问答题
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【推荐2】已知抛物线
与x轴相交于
,
两点,与y轴交于点
.
(1)请直接写出
______,
______,
______,对称轴为______;
(2)如图1,点C和点D关于对称轴对称,连接
、
、
,E为抛物线上异于点C一动点,若
,求点E的坐标;
(3)如图2,连接
,M为
上方抛物线上一动点,作
交
于N,求
的最大值及点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c052d7af2f98d95bac8725b608fba0fc.png)
(1)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
(2)如图1,点C和点D关于对称轴对称,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41834ee3c8b047958a5be9022b2f91c0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/f0bc72a9-7927-4c38-b022-04e4f12660fc.png?resizew=140)
(3)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f792b750e5a53cd089885ebe02c470b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f6a4655bce1c87a45cb6e69a011dd4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/0e9cca5f-0181-4349-8ea8-a2711a3af28d.png?resizew=139)
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【推荐1】如图,在直角梯形
中 ,
,
,
.
的面积;
(2)连接
,求
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8ef58be8708144272538ee427fb92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14a29d68ba7988bda34471e0f9f6bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e142544a6d4e6851096afbd3cbad2fe2.png)
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真题
【推荐2】小明在草稿纸上画了某反比例函数在第二象限内的图像,并把矩形直尺放在上面,如图.
(1)反比例函数表达式;
(2)点C坐标.
(1)反比例函数表达式;
(2)点C坐标.
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解答题-作图题
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名校
【推荐1】如图,平面直角坐标系中有点
和
轴上一动点
,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/9e5f57ff-59f1-4958-91f5-c2c1a887e3e7.png?resizew=314)
(1)当
时,以AB为其中一边作等腰直角
,请画出图形,并直接写出C点的坐标;
(2)动点B在运动的过程中,若
,以
为斜边,在第二象限作等腰直角
,设点C的坐标为
,试写出x与y之间的数量关系以及x的取值范围,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8147049401bc0bd35c035466a54712.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/9e5f57ff-59f1-4958-91f5-c2c1a887e3e7.png?resizew=314)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)动点B在运动的过程中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082934fea59d5fb3f9bdf69634203357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
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解题方法
【推荐2】如图,对于平面直角坐标系xOy中的任意两点A(xA,yA),B(xB,yB),它们之间的曼哈顿距离定义如下:|AB|1=|xA﹣xB|+|yA﹣yB|.已知O为坐标原点,点P(4,﹣5),Q(﹣2,4).
(1)|OP|1= ,|PQ|1= .
(2)已知点T(t,1),其中t为任意实数.
①若|TP|1=10,求t的值.
②若P、Q、T三点在曼哈顿距离下是等腰三角形,请直接写出t的值.
(1)|OP|1= ,|PQ|1= .
(2)已知点T(t,1),其中t为任意实数.
①若|TP|1=10,求t的值.
②若P、Q、T三点在曼哈顿距离下是等腰三角形,请直接写出t的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/53e3d776-5857-4d16-aac9-ad7e03d9a401.png?resizew=506)
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