1 . 如图,将正方形
放在平面直角坐标系中,O是坐标原点,点E的坐标为
,则点F的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b670c6d27ce68f17ac12c4efa1933db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad42625f296d2a4b65180e2f7b776beb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/17/d6497c10-b44d-4cae-9bac-053ee3970b99.png?resizew=161)
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7卷引用:山东省潍坊市诸城市实验初级中学2022-2023学年八年级上学期第一次月考数学试题
山东省潍坊市诸城市实验初级中学2022-2023学年八年级上学期第一次月考数学试题(已下线)专题7.3 平面直角坐标系(巩固篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(人教版)(已下线)【单元测试】第七章 平面直角坐标系(A卷·知识通关练)-【单元测试】2022-2023学年七年级数学下册分层训练AB卷(人教版)(已下线)专题7.15 平面直角坐标系(知识点分类专题)(巩固篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(人教版)山东省滨州市滨城区2022-2023学年八年级下学期期末数学试题山东省德州市宁津县育新中学2023-2024学年八年级上学期10月月考数学试题黑龙江省绥化市第四中学2023-2024学年九年级上学期期中数学试题
2 . 如图,在
和
中,
,
是
的中点,
,垂足为点
,且
.若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/70a53274-2fd4-41fa-ad81-b67f11eba381.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2ba742a343597d9066e775ae9f88d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b06ce9ab062d9e9bc9401b1cb9c155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20e5d585fbf903ee5affa6d083ab95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02da875ca9f32c1c6a31667f44fede23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47bcf02e1048ec5bb47e348023c1f857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/70a53274-2fd4-41fa-ad81-b67f11eba381.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:山东省潍坊市潍坊锦程中学2022-2023学年八年级上学期10月月考数学试题
山东省潍坊市潍坊锦程中学2022-2023学年八年级上学期10月月考数学试题(已下线)第07讲 AAS,HL证全等及角平分线的性质-【暑假自学课】2023年新八年级数学暑假精品课(人教版)广东省深圳市罗湖区2022-2023学年七年级下学期期末数学试题天津市滨海新区汉沽第八中学2023-2024学年八年级上学期期中数学试题
3 . 图1和图2分别是某景区的悬崖秋千的实景图和侧面示意图,秋千静止时位于铅垂线
上,秋千顶端转轴
到地面的距离
.某游客在荡秋千过程中,秋千后撤摆动到最高点
时,测得点
到
的距离
,点
到地面平台
的距离
,绳索
从
处摆动到悬崖壁外最远
处,此时满足
,求
到
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3cfe284f19ec119f6a02bf7cc70a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2121f8be45982ebbbc0e80ad2f2250f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82ca2a91d7cbf7adffb3177688c6c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f95f180d559e6fbe628f802cc1605bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/0a027efc-0e8e-40bd-af3e-6c87f982eff7.png?resizew=243)
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4 . 如图,小亮拿着老师的等腰直角三角尺,摆放在两摞长方体教具之间,
,
,若每个小长方体教具高度均为
,则两摞长方体教具之间的距离
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/10/0934cfab-a683-4c34-8319-eff21636b2b0.png?resizew=209)
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2023-02-15更新
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4卷引用:山东省潍坊市2022-2023学年八年级上学期期末数学试题
山东省潍坊市2022-2023学年八年级上学期期末数学试题山东省潍坊市2023-2024学年八年级上学期期末数学试题(已下线)专题04 三角形(13个考点)【考点串讲+热点题型专训】-2022-2023学年七年级数学下学期期中期末考点大串讲(北师大版)山东省淄博市高青县2023-2024学年七年级上学期期中数学试题
5 . 如图,
,
,
、
交于
点,下列结论中不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/cd436559-a83e-48d2-86c6-88bb03cc3f6f.png?resizew=177)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beff025b32f688316009552d2fd8e1a.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/cd436559-a83e-48d2-86c6-88bb03cc3f6f.png?resizew=177)
A.![]() |
B.![]() |
C.![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-01-29更新
|
214次组卷
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6卷引用:山东省潍坊市安丘市东埠中学2022-2023学年八年级上学期期末数学试题
山东省潍坊市安丘市东埠中学2022-2023学年八年级上学期期末数学试题(已下线)9.3 平行四边形-【帮课堂】2022-2023学年八年级数学下册同步精品讲义(苏科版)(已下线)专题18.17 平行四边形折叠问题(巩固篇)(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)专题4.23 平行四边形折叠问题(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题19.20 平行四边形折叠问题(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(沪科版)(已下线)专题6.20 平行四边形折叠问题(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(北师大版)
6 . 如图,
是半圆的直径,
是半圆弧的中点,
是
的中点,下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/7e693a31-0c50-4c86-83f2-ea7e72b3aa0d.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/7e693a31-0c50-4c86-83f2-ea7e72b3aa0d.png?resizew=150)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-12-06更新
|
91次组卷
|
3卷引用:山东省潍坊市潍城区2022-2023学年九年级上学期期中数学试题
7 . 如图,已知
,
,
过点A,且
,
,垂足分别为点D,E,
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/b3af0111-da31-42f6-9422-698842084acf.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb52f9b226b1db3f6f9f055948bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c182a9d9fd0a7023b710cd671d9468e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b515965c22d2950b592c096c6e3bdfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f218914337edd06e59e75d90b777e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/b3af0111-da31-42f6-9422-698842084acf.png?resizew=188)
A.10 | B.8 | C.4 | D.2 |
您最近一年使用:0次
2022-12-05更新
|
155次组卷
|
2卷引用:山东省潍坊市诸城市2022-2023学年八年级上学期期中数学试题
8 . 如图,已知
,
,
过点A,且
,
,垂足分别为点
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/a2f06e54-4399-4d8b-a3e1-0d31d6e5b37c.png?resizew=187)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb52f9b226b1db3f6f9f055948bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c182a9d9fd0a7023b710cd671d9468e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e261a942097fc850672dc68fab43229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ceedae9aa0539be2b736c76ffd6707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/a2f06e54-4399-4d8b-a3e1-0d31d6e5b37c.png?resizew=187)
A.8 | B.6 | C.4 | D.求不出来 |
您最近一年使用:0次
解题方法
9 . 已知
为等腰三角形,
,直线
过点
(不经过点
),过点
作
于点
,过点
作
于点
.
(1)如图1,当点
位于直线
的同侧时,判断
与
的大小关系,并说明理由;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/9b84569b-c274-4052-a9f3-df0d7645cb4d.png?resizew=212)
(2)如图2,若点
位于直线
的两侧,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/6cc6c565-d613-414e-b25f-026c0a048e6f.png?resizew=205)
①(1)的结论是否还能成立,请说明理由;
②设
与
交于点
,当
时,判断
与
是否相等,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1c122603b60b6f1a1334ddb56c3fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c182a9d9fd0a7023b710cd671d9468e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)如图1,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/9b84569b-c274-4052-a9f3-df0d7645cb4d.png?resizew=212)
(2)如图2,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/6cc6c565-d613-414e-b25f-026c0a048e6f.png?resizew=205)
①(1)的结论是否还能成立,请说明理由;
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.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/227a4e968629ce26b41f5cb4bd7b1720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
您最近一年使用:0次
2022-11-07更新
|
386次组卷
|
5卷引用:山东省潍坊市奎文区2022-2023学年八年级上学期期中考试数学试题
山东省潍坊市奎文区2022-2023学年八年级上学期期中考试数学试题山东省潍坊市寒亭区、奎文区2022-2023学年八年级上学期期中数学试题山东省潍坊市昌邑市潍坊实验中学2023-2024学年八年级上学期10月月考数学试题(已下线)专题4.25 探索三角形全等几何模型(一线三直角模型)(巩固篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(北师大版)(已下线)重难点03 全等三角形(4种模型2种添加辅助线方法)-【满分全攻略】2022-2023学年七年级数学下学期核心考点+重难点讲练与测试(沪教版)
10 . 过
的平分线上一点
作
于点
,
于点
,点
在直线
上,连接
.若
,请判断
与
的大小关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1980b05571b2505012d9966e67ef16d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2022-11-07更新
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85次组卷
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2卷引用:山东省潍坊市奎文区2022-2023学年八年级上学期期中考试数学试题