1 . 已知矩形纸片
.
第①步:将纸片沿
折叠,使点
与
边上的点
重合,展开纸片,连结
,
,
与
相交于点
(如图1).
第②步:将纸片继续沿
折叠,点
的对应点
恰好落在
上,展开纸片,连接
,与
交于点
(如图2).
和
的数量关系并证明你的结论.
(2)已知
,
,求
的值和
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
第①步:将纸片沿
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
第②步:将纸片继续沿
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f341b98caabf99bc683ce8407068735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adaead91b4b6febfcdd6f995d81e550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0a7f6419b0bd85f866ee472229642c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
您最近一年使用:0次
2 . 在矩形
中,
,
,点
在射线
上,连接
,点
关于直线
的对称点为
,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/fef60fed-5e95-4066-ace8-c5edc62f7cf4.png?resizew=485)
(1)如图1,当
经过点
时,求证:
.
(2)如图2,当
为
的中点,连结
,求
.
(3)当
时,求
与矩形
重合部分的面积.
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9601d29de0a884953b039ee72f0158fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/fef60fed-5e95-4066-ace8-c5edc62f7cf4.png?resizew=485)
(1)如图1,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9601d29de0a884953b039ee72f0158fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b34233772c4c26d6669499d9b1f15a.png)
(2)如图2,当
![](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/020ebe1219437129358b986eb9e70bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd840a11e6ae82ae49362f1c441cb655.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36560759d607398746b0cc144b49416d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4cacd518769ce19310f5d9c6e73b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
3 . 已知,如图,在矩形
中,
是
上的一点,且
,
于点
若
,
,则矩形
的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/e30e50e094cd2849e38859b36aad0b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689d619c2508c9000531fc1b8f1f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af00a2603bb1c492527537d60949c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169145cfb31e4fc502a3b2f47a644831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeedb5f361a1baff6338436fff6c471d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 如图,已知点
分别在反比例函数
和
的图象上,以
,
为邻边作
,点
恰好落在
轴上,且边
交函数
图象于点
,当
时,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c74f6e914133ef9cef8b7b832d5a18a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9212e728b36c078188606c9d429389d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93d248baad12f46a86463ccfe9700d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9212e728b36c078188606c9d429389d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d78524f98b01fa1dadfd277939665b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/132233a5-5fde-4d80-8199-5f7297c33148.png?resizew=158)
您最近一年使用:0次
名校
5 . 已知:如图,
与
的顶点A重合,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb0f7b36e1212a8a1623ae67019c681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/21/896b7eb0-5a65-4c81-bd0e-7fc956c32029.png?resizew=133)
您最近一年使用:0次
2023-06-20更新
|
164次组卷
|
6卷引用:2023年浙江省衢州市衢江区中考三模数学试题
6 . 如图1,在矩形
中,
,
.
,
分别是
,
上的动点,且满足
,
是射线
上一点,
,设
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/6ac8de2d-6fcc-4565-92b6-b59afbc29f46.png?resizew=432)
(1)求y关于x的函数表达式.
(2)当
中有一条边与
垂直时,求
的长.
(3)如图2,当点Q运动到点C时,点P运动到点F.连结
,以
,
为边作平行四边形
.
①当
所在直线经过点D时,求平行四边形
的面积;
②当点G在
的内部(不含边界)时,直接写出x的取值范围.
![](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/392b9e1a179a6676362679354a9e7e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485a79ebff199b07564ff2e5504114be.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/e9935c67709d1d874d94192d3479639e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5545fb971ac100c85492abf9bfc68a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0e34424e828d9b3ca516e82b0d0575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/6ac8de2d-6fcc-4565-92b6-b59afbc29f46.png?resizew=432)
(1)求y关于x的函数表达式.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5845d0b7ca6980eea65473c0de995de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
(3)如图2,当点Q运动到点C时,点P运动到点F.连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a403ea6f47d4ff7e0fa4cd079ed041d2.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a403ea6f47d4ff7e0fa4cd079ed041d2.png)
②当点G在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-04-19更新
|
228次组卷
|
5卷引用:浙江省衢州市柯城区兴华中学2022-2023学年九年级下学期5月月考数学试题
浙江省衢州市柯城区兴华中学2022-2023学年九年级下学期5月月考数学试题2023年浙江省温州市永嘉县中考一模数学试题2023年山东省陵城区德州市江山实验学校中考一模数学试题(已下线)专题08 四边形问题汇总-学易金卷:2023年中考数学一模试题分项汇编(浙江专用)浙江省义乌市宾王学校2023-2024学年九年级上学期暑假作业检查数学试题
7 . 综合实践课上,小慧用两张如图1所示的直角三角形纸片:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16881cc0993439d584a655ac8e233abe.png)
,斜边重合拼成四边形,接着在
,
上取点E,F,连
,
,使
.
![](https://img.xkw.com/dksih/QBM/2023/1/17/3154583770562560/3159054599626752/STEM/9aa06abc81554677917429fe22908af2.png?resizew=554)
(1)若拼成的四边形如图2所示:则
______________﹔
(2)如图3,连接对角线
,
相交于点O,
分别交
,
于点G,H,若
平分
,
①判断
的形状并说明理由.
②
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16881cc0993439d584a655ac8e233abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6747441b260ca043446b5d472fece440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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/a4e22ba3e6e1c1d6b12d9b8baa8d1f02.png)
![](https://img.xkw.com/dksih/QBM/2023/1/17/3154583770562560/3159054599626752/STEM/9aa06abc81554677917429fe22908af2.png?resizew=554)
(1)若拼成的四边形如图2所示:则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87983cb8be2b394a3207abb36444a684.png)
(2)如图3,连接对角线
![](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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bc8e50eeccced1d7f3bc52e09a7d03.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20227c155003de7163d407daf0a5e74.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6057353d33e5efaac9397038001a6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
您最近一年使用:0次
8 . 如图,将线段AB绕点O顺时针旋转90°得到线段
,那么
的对应点
的坐标是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/6b84d677-fd85-4b1c-af68-3e38a9b91159.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7237931345437c8a81c203f4878b42f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3305ac6ef7117a61b3ed9fffb03030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b10100be43f77a13fa0ccd1c1d72.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/6b84d677-fd85-4b1c-af68-3e38a9b91159.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 如图,点
在
上,
是
的角平分线,
,
,求证:
.
![](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/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bf173f21e1c95161ae6fb62fc4fbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085e1b50f1ef712bb00a96fe2e9c4b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e12457d5b7d0f2611f4cdc173ceb784.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/da1f9c6b-bb8f-4a22-9dc3-cd9ee563b864.png?resizew=148)
您最近一年使用:0次
真题
名校
10 . 如图,已知在平面直角坐标系xOy中,点A在x轴的负半轴上,点B在y轴的负半轴上,
,以AB为边向上作正方形ABCD.若图像经过点C的反比例函数的解析式是
,则图像经过点D的反比例函数的解析式是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc52f82b7e1e0df7cee181549c4c92f5.png)
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24卷引用:浙江省衢州市衢江区第一初级中学2022-2023学年九年级下学期第一次月考数学试卷
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