名校
1 . 如图,在
中,
,
垂直平分
,垂足为E,交
于D,若
的周长为
,则
的长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011586f46c6f0c37d0f2e85fb69bb4c6.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0005e1ef60f6ddc5f9a83e3de1ef3b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff748d864eeeefef79124c297c0675c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/8c5b6883-12ed-49c0-b493-aa6ae553feb8.png?resizew=109)
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2024-03-15更新
|
107次组卷
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13卷引用:宁夏石嘴山市平罗县2019-2020年八年级上学期期末数学试题
宁夏石嘴山市平罗县2019-2020年八年级上学期期末数学试题甘肃省庆阳市西峰区西峰区黄官寨实验学校2021-2022学年八年级上学期9月月考数学试题天津市滨海新区第四共同体2022-2023学年八年级上学期期中考试数学试题 黑龙江省哈尔滨虹桥中学2022-2023学年八年级上学期10月月考数学试题江苏省苏州市吴中区、吴江区、相城区2022-2023学年八年级上学期期中数学试题北京市月坛中学2022-2023学年八年级上学期期末质量跟踪监视数学模拟试题辽宁省葫芦岛市绥中县2022-2023学年八年级上学期期中数学试题广东省广州第一中学2022-2023学年八年级上学期期中考试数学试卷广西壮族自治区北海市合浦县2022-2023学年八年级上学期期中数学试题天津市滨海新区第五共同体2023-2024学年八年级上学期期中数学试题湖南省桂阳县龙潭中学2023-2024学年八年级上学期第二次月考数学试题广东省广州市天河区大华学校2023-2024学年八年级上学期期中数学试题江苏省镇江市属学校2023-2024学年八年级上学期阶段性学习评价I数学试题
2 . 如图,等腰
的底边
,面积是12,
的垂直平分线
交
,
于点E,F.D是
的中点,M是线段
上一动点,则
周长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc9f0779b0ba2f9f97caf35c166ad24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989bd3073d980def40e1f602d00b63da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/3ea39482-c339-4e57-887a-93face74b9dd.png?resizew=196)
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3 . 如图,在
中,
的角平分线
与
的垂直平分线
交于点
,
于点
,
,交
的延长线于点
.若
,
,则
的长为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.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/ce8f887360a533f0a25b0b34fb11f0a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/0617bb0a-396a-4f66-81b2-c5ed67592d3c.png?resizew=162)
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名校
4 . 如图,在
中,
,线段
的垂直平分线交
于点N,
的周长是7cm,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f9fc63aeaac7f7e359f1bcd734a90f.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/cc1275768bdac801185ef152290a85ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/675b01f3-92e4-4cec-a36e-aed9ad02ddf3.png?resizew=118)
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2024-03-14更新
|
166次组卷
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28卷引用:2015-2016学年湖北省十堰市丹江口市八年级上学期期末数学试卷
2015-2016学年湖北省十堰市丹江口市八年级上学期期末数学试卷贵州省六盘水市第二十中学2016-2017学年八年级下学期第一次月考数学试题江苏省泗阳县经济开发区学校2017-2018学年八年级上学期第一次月考数学试题安徽省淮北市杜集区2019-2020学年八年级上学期期末数学试题江苏省无锡市崇安区2019-2020学年八年级上学期期末数学试题辽宁省锦州市北镇市2019-2020学年八年级下学期期末数学试题江苏省南京市东山外国语学校2019-2020学年八年级上学期数学12月月考试试题广西壮族自治区崇左市2020-2021学年八年级上学期期末数学试题江苏省沭阳县修远中学2021-2022学年八年级上学期第一次月考数学试题甘肃省白银市2020-2021学年七年级下学期期末数学试题黑龙江省绥化市绥棱县克音河乡学校2021-2022学年八年级上学期期末数学试题辽宁省朝阳市建平县2021-2022学年七年级下学期期末数学试题辽宁省朝阳市建平县2021-2022学年七年级下学期期末数学试题山东省泰安市泰山区树人外国语学校(五四制)2022-2023学年七年级上学期第一次作业检测数学试题江苏省南通市崇川区2022-2023学年八年级上学期期中数学试题江苏省淮安市淮安区2022-2023学年八年级上学期期中数学试题黑龙江省大庆市肇源县2022-2023学年九年级上学期期中考试数学试题江苏省南京市玄武区2022-2023学年八年级上学期期中数学试题江苏省南通市崇川区2022-2023学年八年级上学期学业质量监测数学试题江苏省扬州市邗江区梅岭中学教育集团运河中学2022-2023学年八年级上学期期末数学试题(已下线)第05讲 线段、角的轴对称性-【暑假自学课】2023年新八年级数学暑假精品课(苏科版)江西省吉安市青原区2022-2023学年七年级下学期期末数学试题湖南省娄底市涟源市2022-2023学年八年级上学期期中数学试题(已下线)第2章 轴对称图形全章复习攻略与检测卷(2个概念5个性质3个判定2个应用1个技巧3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)广东省清远市田家炳实验学校2021-2022学年八年级下学期期中数学试题江苏省盐城市大丰区大丰区飞达路初级中学2023-2024学年八年级上学期10月月考数学试题广东省佛山市石门实验学校2022-2023学年八年级下学期月考数学试题甘肃省定西市陇西县巩昌中学2023-2024学年八年级上学期第二次月考数学试题
5 . 如图所示,在
中,按以下步骤作图:①分别以点
和点
为圆心,以大于
的长为半径作弧,两弧相交于
,
两点;②作直线
交
于点
,连接
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93148adbc6e856da9a9d263f485d003.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/411461db15ee8086332c531e086c40c7.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0fe068741b8b08bde00e3c82784fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e744f480e11f588570c5d6738799f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/e636c88f-5f3d-4d24-821e-bbad575f7de4.png?resizew=132)
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名校
6 . 数学活动课上,同学们想测量出一个残损轮子的半径,小聪的解决方案如下:在轮子圆弧上任取两点
,
,连接
,再作出
的垂直平分线,交
于点
,交弧
与点
,测出
,
的长度,即可计算得出轮子的半径,现测出
,
,则轮子的半径为_________
.
![](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/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669376abf6fb6f4b395b1f11d27057a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbaa41348bbae14d2324fb5007ca8aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c255bed34ed3d3d34d652fa4bf3136f2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/2f8bd72a-4dde-492a-878b-f95161a1d17e.png?resizew=156)
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7 . 如图,在等腰
中,
,
是
的高,
,
分别是
上一动点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8817091d0f4b7d7ac6df560cb63c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82d579a717399137b8c6d475d33cd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d3393e80ea596f9b919c0ef14e4d19.png)
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8 . 平面直角坐标系中,
,
,线段
的垂直平分线交坐标轴于C,则C的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14168792b74b97b8bc51531604ba36b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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9 . 如图,等腰三角形
的底边
长为4,面积是16,腰
的垂直平分线
分别交
,
边于
,
点,若点
为
边的中点,点
为线段
上一动点,则
周长的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e59b7c0d4a0b312e674b7bb061240b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/312f9350-a17f-4fa0-b424-7608789c221e.png?resizew=178)
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2024-03-14更新
|
40次组卷
|
2卷引用:云南省云南师大附中润城学校2023-2024学年八年级上学期10月份月考数学试题
10 . 如图,等腰
的底边
长为6,面积是36,腰
的垂直平分线
分别交
,
边于E,F点.若点D为
边的中点,点M为线段E上一动点,则
周长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/26e59b7c0d4a0b312e674b7bb061240b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/00eae5d1-5e3b-423c-b5ff-3f6ebeecb62a.png?resizew=173)
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