1 . 如图,在
中,
,
,点
为
边上一动点(不与点
、
重合),过点
作射线
交
于点
,使
.
(1)求证:
;
(2)当
为直角三角形时,求线段
长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bbc68f2a65aea126b6e0d2c1081037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432043f79e122f291c47453013042704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0736236a81ce3574b30cc12f8286ac9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/6/a807192d-c02f-41c5-9e38-de9403faac06.png?resizew=242)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada7110c5e07dbc53e0f6732b9555332.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf1490f8bd695ad195aa1a52fe36373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
您最近一年使用:0次
2023-07-26更新
|
158次组卷
|
5卷引用:四川省达州市渠县2022-2023学年九年级上学期期末数学试题
四川省达州市渠县2022-2023学年九年级上学期期末数学试题(已下线)专题07 相似三角形的常考模型及压轴题-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)(已下线)专题13 图形相似、相似三角形与位似作图及性质之十大题型-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(人教版)(已下线)专题4.44 相似三角形几何模型(一线三等角)(培优练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题4.51 相似三角形动点问题(分层练习)(综合练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)
2 . 已知四边形
.
(1)问题探究:如图1,当四边形
是正方形时,点E,Q分别在边
,
上,
于点M,点F,G分别在边
,
上,
.
①判断
与
的数量关系:
___________
;
②推断:
的值为___________.
(2)变式应用:如图2,当四边形
是矩形,
.点F,G分别在边
,
上,将四边形
沿
折叠,使点A落在
边上的点E处,得到四边形
,连接
交
于点O.试判断
与
之间的数量关系,并说明理由;
(3)拓展应用:如图3,在四边形
中,
,若点E,Q分别在边BC,
上,
,请直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/3dc97ad0-16db-4bc8-8a13-e8b1ee019625.png?resizew=427)
(1)问题探究:如图1,当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5534405190bbad2be7a9137bebd0598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d3a004c4f6c29bd52364eb658c704b.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
②推断:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a26acbf5508b9e5599e2c05803d55f.png)
(2)变式应用:如图2,当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48daf1662f9d4b060b3250a2585d80c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8945feca26a1960e7414511524beed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958ea62b68878ab8dc2ff69dcaebbe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(3)拓展应用:如图3,在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6124f0a74a34737903ff7ebf7ede8de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5534405190bbad2be7a9137bebd0598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deede3938a723f20f5be72dddc9bc541.png)
您最近一年使用:0次
3 . 转化是解决数学问题常用的思想方法之一,它可以在数与数、数与形、形与形之间灵活应用.
如图1,已知在
中,
,
,
.请解答下面的问题:
(1)基础巩固
如图1,将
绕点
按顺时针方向旋转
得到
,连接
,则
与
之间的数量关系是__________;
(2)拓展探究
如图2,点
,
分别是
,
的中点,连接
,将
绕点
按顺时针方向旋转
得到
.
①求证:
;
②用等式表示
与
之间的数量关系,并说明理由;
(3)问题解决
点
,
分别是
,
的中点,连接
,将
绕点
旋转得到
,请直接写出点
,
,
在同一直线上时
的长.
如图1,已知在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/30/47b7ef64-0394-4d05-ac2e-58ab1ab7a1f6.png?resizew=543)
(1)基础巩固
如图1,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edac7b4974ff61fa11bfe0d9b88f689f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
(2)拓展探究
如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425566da23de498104844b7d691af4eb.png)
②用等式表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
(3)问题解决
点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
您最近一年使用:0次
4 . 如图,在
中,
,
,点
,
分别是边
,
上的点,且
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2121f7587818ad20cc350251563b4d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/368d33fe-746a-4090-9543-23269c5826e6.png?resizew=235)
您最近一年使用:0次
名校
5 . 如图,D是
的边AC上的一点,连接BD,使
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/38bbd4cc-7ae8-401e-95c5-628539e95ba2.png?resizew=129)
(1)说明
.
(2)
,
,求线段AC的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb138968e1bcbcd84e4dda73e0da7c8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/38bbd4cc-7ae8-401e-95c5-628539e95ba2.png?resizew=129)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53b82fc6a5b663e2e0ab0f58e979474.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
您最近一年使用:0次
2023-07-25更新
|
169次组卷
|
3卷引用:专题07 相似三角形的常考模型及压轴题-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)
(已下线)专题07 相似三角形的常考模型及压轴题-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)江苏省宿迁市宿城区南京师范大学附属中学宿迁分校2023-2024学年九年级上学期期末数学试题江苏省淮安市涟水县2022-2023学年九年级上学期期末数学试题
6 . 已知:如图,在
中,
,点D、E是边
上的两个点,且
,过点C作
交
延长线于点F,连接
并延长与
交于点G.
(1)求证:
;
(2)连接
,如果
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e629756a5766f170ecce81ab157b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00a5239269d72d6f9632e7d77347106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/6/ce0fa276-a7dd-41c6-a193-752b7b8ff6f7.png?resizew=129)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9463432e6cd69afa9ac0e9d264022ad5.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23731bf0282bc1b068141818dad39716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61515bb177e9f18c3c6b6946d8a4af84.png)
您最近一年使用:0次
7 . 如图,在
中,对角线
和
相交于点O,在
的延长线上取一点E,连接
交
于点F,
,求
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0c03f72c48173271d39cd5c5329c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/9/522e8ede-3d49-408d-8908-7155c37f99c3.png?resizew=215)
您最近一年使用:0次
2023-07-24更新
|
199次组卷
|
8卷引用:四川省成都市邛崃市2022-2023学年九年级上学期期末数学试题
四川省成都市邛崃市2022-2023学年九年级上学期期末数学试题辽宁省朝阳市建平县2022-2023学年九年级上学期期末数学试题四川省成都市金堂县等5地2022-2023学年九年级上学期期末数学试题(已下线)专题07 相似三角形的常考模型及压轴题-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)四川省成都市都江堰市2022-2023学年九年级上学期期末数学试题陕西省西安市蓝田县2023-2024学年九年级上学期月考数学试题陕西省渭南市蒲城县城关镇初级中学2023-2024学年九年级上学期期中数学试题(已下线)九年级数学期末真题【考题猜想,压轴60题21个考点专练】-2023-2024学年九年级数学上学期期末考点大串讲(苏科版)
8 . 如图,正方形
中,对角线
,
相交于点
,
,过点
作
,连接
交
边于点
,以
为边向上作正方形
,连接
.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac4b005d4e0ef0401b78a8ce3969e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465c3848d832ec772b6c1510d61aa59.png)
;
(2)当
时,求正方形
的边长;
(3)将正方形
绕点
逆时针旋转,旋转后的正方形记为
(点
,
,
的对应点分别记为点
,
,
,设边
与边
的交点为点
,连接
,当
,且
时,直接 写出
的长.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995c569ac2b958ec2531e0620084ffec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea542c31170157c0e9b9e8b65a95437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d3a6cadabd98c16868467f855d1637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/7d701be5-9406-48ba-a294-f68c11c56e49.png?resizew=418)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac4b005d4e0ef0401b78a8ce3969e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465c3848d832ec772b6c1510d61aa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132986c2d7eb546646054da279000450.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faffe3765c15f53305516895aa595a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d3a6cadabd98c16868467f855d1637.png)
(3)将正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d3a6cadabd98c16868467f855d1637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16063c3a614b33e139724aec4ae34e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b1a5427d8ff23df0f3ec194756c84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81722445de00f3cfcc3cb97e45b0d8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d955d197e2ecbfe724570663efcf2a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec1093f2bd72971a21411d53d4fabb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa550aa89622e19818425142163daf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaacaea323891412a167aa7891ca571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b29de20122b203ed5d4a834b885a5bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
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名校
9 . 如图,在平面直角坐标系
中,直线
分别交
轴、
轴于
,
两点,经过
,
两点的抛物线
与
轴的正半轴相交于点
.
(1)求抛物线的解析式;
(2)若
为线段
上一点,
,求
的长;
(3)在(2)的条件下,设
是
轴上一点,试问:抛物线上是否存在点
,使得以
,
,
,
为顶点的四边形为平行四边形?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65920f4695a14c85e7085450aee08b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37df9dad3961893b22d6639c4311e267.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/26/7ed91a21-0f78-43b1-a73d-12b9a9a8e113.png?resizew=192)
(1)求抛物线的解析式;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0614bcec329b374186c1fb0e392de144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(3)在(2)的条件下,设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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10 . 如图,在矩形纸片
中,
,
.点
在边
上,连接
,将
沿
折叠,点
落在
处.点
在边
上,连接
,将
沿
折叠,点
落在
处.连接
,
,若点
,
,
在同一条直线上,
,则线段
的长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900b844294e8c07ea9a858adb845121c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300d29bf2277a510ab443c1e2a55e1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ada465947db429cb64aa88dfd89668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/7589b29d-cd4c-4749-9d0a-29d62f94bbf7.png?resizew=205)
您最近一年使用:0次
2023-07-23更新
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93次组卷
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4卷引用:河南省信阳市息县2022-2023学年九年级上学期期末数学试题
河南省信阳市息县2022-2023学年九年级上学期期末数学试题河南省信阳市2022-2023学年九年级上学期期末数学试题(已下线)专题06 相似图形与相似三角形(十一种考法)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)(已下线)广东卷03-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(广东专用)