1 . 如图,已知
,
,
,以A,B两点为圆心,大于
的长为半径画弧,两弧交于点M,N,连接
与
相交于点D,连接
,则
的周长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.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/8e3a9ec45721f7b4d1c99917ac0d970f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/6/d478f305-a4b3-4095-b45f-44f25a3e3cfd.png?resizew=171)
您最近一年使用:0次
2023-09-29更新
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4卷引用:广西壮族自治区北海市合浦县2023-2024学年八年级上学期期中数学试题
2 . 在平面直角坐标系xOy中,点
,
,若点C在x轴上,且
为等腰三角形,则满足条件的点C的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.1 | B.2 | C.3 | D.4 |
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4卷引用:广西壮族自治区玉林市部分地区2023-2024学年八年级上学期期中阶段训练数学试题
名校
3 . 数学课上,师生们以“利用正方形和矩形纸片折叠特殊角”为主题开展数学活动.
(1)操作判断
小明利用正方形纸片进行折叠,过程如下:
步骤①如图1,对折正方形纸片
,使
与
重合,得到折痕
,把纸片展平;步骤②:连接
,
,可以判定
的形状是:______.(直接写出结论)
(2)探究应用
小华利用矩形纸片进行折叠,过程如下:
如图2,先类似小明的步骤①,得到折痕
后把纸片展平;在
上选一点
,沿
折叠
,使点
恰好落在折痕
上的一点
处,连接
.
小华得出的结论是:
,请你帮助小华说明理由.
(3)拓展迁移
小明受小华的启发,继续利用正方形纸片进行探究,过程如下:
如图3,第一步与步骤(1)一样;然后连接
,将
沿
折叠,使点
落在正方形内的一点
处,连接
并延长交
于点
,连接
,若正方形的边长是4,请求出
的长.
(1)操作判断
小明利用正方形纸片进行折叠,过程如下:
步骤①如图1,对折正方形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
(2)探究应用
小华利用矩形纸片进行折叠,过程如下:
如图2,先类似小明的步骤①,得到折痕
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
小华得出的结论是:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0765cab4506347c57e010b26f9625a8.png)
(3)拓展迁移
小明受小华的启发,继续利用正方形纸片进行探究,过程如下:
如图3,第一步与步骤(1)一样;然后连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/b1bc1595-b4ef-42b5-932a-d5ceea9d0922.png?resizew=476)
您最近一年使用:0次
22-23八年级下·广东深圳·期中
名校
4 . 如图,在
中,
,
,
的垂直平分线交
于点E,
的垂直平分线交
于点F,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/a15a868e-3c56-4e02-a06e-38a14fcca162.png?resizew=226)
A.2 | B.1 | C.4 | D.3 |
您最近一年使用:0次
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|
257次组卷
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9卷引用:2023年广西壮族自治区中考三模数学试题
2023年广西壮族自治区中考三模数学试题2023年广西壮族自治区贵港市桂平市中考三模数学试题(已下线)广东省深圳市深圳中学初中部2022-2023学年八年级下学期期中数学试卷青岛版八年级上册第 2 章图形的轴对称单元测试数学试题(已下线)第03讲 线段垂直平分线的性质和判定(知识解读+真题演练+课后巩固)-2023-2024学年八年级数学上册《知识解读·题型专练》(苏科版)(已下线)专题02 线段垂直平分线的性质和判定(七大类型)(题型专练)-2023-2024学年八年级数学上册《知识解读·题型专练》(人教版)辽宁省阜新市太平区2022-2023学年七年级下学期期末数学试题广东省深圳市南山区南实集团麒麟中学2023-2024学年九年级上学期开学考试数学试题广东省佛山市顺德区君兰中学2022-2023学年八年级下学期期中数学试题
5 . 如图,在
中,
,
,
垂直平分
,点P为直线
上的任一点,则
周长的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d5c9e1074623021024ebdc845eb008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/11/c9763e20-d025-4418-aca3-efe3f00c3f26.png?resizew=198)
您最近一年使用:0次
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|
721次组卷
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10卷引用:广西壮族自治区南宁市2023-2024学年八年级上学期期中数学试题
广西壮族自治区南宁市2023-2024学年八年级上学期期中数学试题湖北省襄阳市枣阳市2022-2023学年八年级上学期期末考试数学试题甘肃省陇南市成县2022-2023学年八年级下学期期末数学试题(已下线)专题13.4 线段的垂直平分线的判定与性质【九大题型】-2023-2024学年八年级数学上册举一反三系列(人教版)(已下线)专题13.6 线段的垂直平分线的判定与性质【九大题型】-2023-2024学年八年级数学上册举一反三系列(华东师大版)(已下线)专题2.4 线段的垂直平分线的判定与性质【九大题型】-2023-2024学年八年级数学上册举一反三系列(苏科版)(已下线)专题2.7 线段的垂直平分线的判定与性质【九大题型】-2023-2024学年八年级数学上册举一反三系列(浙教版)(已下线)专题15.4 线段的垂直平分线的判定与性质【九大题型】-2023-2024学年八年级数学上册举一反三系列(沪科版)湖北省丹江口市2023-2024学年八年级上学期期中数学试题(已下线)专题04 轴对称图形、线段的垂直平分线、坐标与图形轴对变换之七大题型-【好题汇编】备战2023-2024学年八年级数学上学期期末真题分类汇编(人教版)
6 . 如图,已知正方形
的边长为4,点
在
上,
,点
是
上的一个动点,那么
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57b2c928c267d3fb111dabfda8235c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6702d692c1e5a3ddb2f77247bf008779.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/17/29e2e3c8-7a57-446d-a406-3439b61f01e7.png?resizew=122)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
7 . 如图,平行四边形
的对角线相交于点O,且
,过点O作
交
于点E,若平行四边形
的周长为
,则
的周长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3039c774e00f6520449aa9d4b3c45464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299fe914d64f3a06f9b641d5591fc47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492b6d3883713fcaa8a4fdd87b87b480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/12/a2741d85-6fb9-4f11-b90a-bf7bbc649cc5.png?resizew=168)
您最近一年使用:0次
8 . 如图,已知
,
平分
,
于点
.
(1)实践与操作:作
的垂直平分线交
于点
;(要求:尺规作图,保留作图痕迹,不写作法)
(2)连接
,若
的长为2,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affbe2d2ced2303d8c3d183746d0bcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/18/5e9eda06-2c4f-438b-ac3a-2603bb167f68.png?resizew=155)
(1)实践与操作:作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
您最近一年使用:0次
名校
9 . 如图,在
中,
,
垂直平分
,分别交
于D,E两点,若
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](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/4515e1dff9a852b3294dc1d6488a5748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279054a4c44f927adb83abaf825072b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/22/9335b320-dcc9-4f1a-b989-848af589d296.png?resizew=128)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2023-08-05更新
|
102次组卷
|
7卷引用:广西壮族自治区钦州市浦北县浦北中学2022-2023学年八年级下学期3月月考数学试题
广西壮族自治区钦州市浦北县浦北中学2022-2023学年八年级下学期3月月考数学试题福建省泉州市安溪县2022—2023学年八年级上学期期末质量监测数学试卷(已下线)专题03 线段垂直平分线的性质和判定(七大类型)(题型专练)-2023-2024学年八年级数学上册《知识解读·题型专练》(苏科版)贵州省2022-2023学年八年级下学期期末数学试题(已下线)第3章 勾股定理全章复习攻略与检测卷(2个定理1个应用2种思想)-【帮课堂】2023-2024学年八年级数学上册同步学与练(苏科版)(已下线)13.1 轴对称(题型精讲精练)-【题型分类精粹】2023-2024学年八年级数学上学期期中期末复习讲练系列【考点闯关】(人教版)福建省泉州市永春第二中学2023-2024学年八年级上学期月考数学试题
10 . 根据题意,先补全图形,再作答:
如图所示,在
中,作
边的垂直平分线,交
于点
,交
于点
,连接
.若
,
,证明:
.
(补全图形要求:尺规作图,不写作法,保留作图痕迹)
如图所示,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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(补全图形要求:尺规作图,不写作法,保留作图痕迹)
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