1 . 如图,在
中,
,
的垂直平分线分别交
于点D,交
于点E,交
的延长线于点F,且
.若四边形
的面积为58.5,则它的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545940abc7ed00e30537b1689fe44ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c42bce098904b241986bb91c65ab33.png)
您最近一年使用:0次
2 . 如图,在四边形
中,
,
,连接
.
;
(2)尺规作图:作
的垂直平分线
,分别交
于点
(不写作法,保留作图痕迹);
(3)连接
,若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd85cff10e8f192cfe0b0a8b2f4996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d5f49c0d6162ea6264c23fdff924cf.png)
(2)尺规作图:作
![](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/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9061c29abeb16ec9b9a43a8045e7b5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7fe27f765c297d50031c20296dfcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6282292819434a8905a212427613fd85.png)
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3 . 如图,在
中,
分别为
边上的高,
相交于点F,
,连接CF,则下列结论:①
;②
;③若
,则
周长等于
的长;④
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0032f850bd19a3af6c44c416b0a2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5dfc2edd439281ad211a3736f9484a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0032f850bd19a3af6c44c416b0a2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8bb808edb7f81fb3c14c8f3d7f0fad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e68633cbbe3cc2d0801305f81a7aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d6b559fefc77c2bba970ca5e79a201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7b7be09862e90dd0065ec7b712e024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babdb6005d6e979745058779b4bb9eea.png)
A.①②③ | B.①②④ | C.①③④ | D.②③④ |
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7卷引用: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
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甘肃省天水市秦安县2023-2024学年八年级上学期期末数学试题(已下线)专题02 线段的垂直平分线与角平分线(五种考法)-【好题汇编】备战2023-2024学年八年级数学下学期期中真题分类汇编(北师大版)(已下线)专题01 三角形的证明(考点清单,知识导图+7个考点清单、题型解读)-2023-2024学年八年级数学下学期期中考点大串讲(北师大版)(已下线)第四章 三角形能力提升测试卷-2023-2024学年七年级数学下册《知识解读·题型专练》(北师大版)(已下线)七年级期末数学试卷01-2023-2024学年七年级数学下学期期末考点大串讲(北师大版)(已下线)八年级下册综合测评卷02-【暑假分层作业】2024年八年级数学暑假培优练(北师大版)
4 . 如图所示,在
中,
,以B为圆心,以任意长度为半径作弧,与
分别交于点M、N,在分别以M、N为圆心,以大于
长度为半径作弧,两弧相交于点O,作射线
,再分别以A、B为圆心,以大于
长度为半径作弧,两弧分别在线段
的上方和下方相交于点P、Q,作直线
,通过作图发现,射线BO和直线
恰好相交于边
上一点D,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15a97b5d72102776e1cc9e14b40b8b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63412036dd42fce9929e8d2f3b93f611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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5卷引用:山东省济南市章丘区2022-2023学年七年级下学期期末数学试题
山东省济南市章丘区2022-2023学年七年级下学期期末数学试题(已下线)第13单元01讲(已下线)2023年天津市中考数学真题变式题6-10题2023年吉林省长春市南关区东北师大附中明珠学校中考数学模拟预测题(已下线)七年级数学期末模拟卷01(北师大版,一~六章)-学易金卷:2023-2024学年初中下学期期末模拟考试
2023·海南海口·三模
5 . 如图,已知线段
,点
是
的中点,观察图中尺规作图的痕迹,若
是直线
上一点,且
,
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015db5ca1f49bb7bad43657e06863ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764829cc2c763b6aca0665aa143e304e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 如图,在
中,
,利用尺规作图以点C为圆心,
的长为半径作弧交
边于点D;分别以点B,D为圆心,大于
的长为半径作弧,两弧交于点E;作射线
,交边
于点F.若
,则线段
的长为( )
![](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/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81613520ab5a478f0b2616a9bcb79d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60572975f9ac06ffc8d98ef94de49eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
A.1 | B.![]() | C.2 | D.3 |
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2卷引用:2023年贵州省贵阳市观山湖区中考模拟数学模拟预测题
7 . 如图,矩形
中,分别以
为圆心,以大于
的长为半径作弧,两弧相交于
两点,作直线
分别交
于点
,连接
.若
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b00c9499415c5801c64a8177f4b35e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93148adbc6e856da9a9d263f485d003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba48366317ebea1c9dd5e4e67e03092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402c0f9eecfcdf73f9e87ca82a6f2c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc5df62e8ac9c74a46462519b95479a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.4 | B.![]() | C.8 | D.![]() |
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|
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2卷引用:2023年海南省中考导航模拟(三)数学模拟预测题
8 . 如图,在矩形
中,
,
,分别以点
,
为圆心,以大于
的长为半径画弧,两弧相交于点
和
,作直线
分别与
、
、
交于点
、
、
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
A.2 | B.3 | C.4 | D.5 |
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2卷引用:2023年海南省省直辖县级行政单位临高县中考模拟预测数学模拟预测题
名校
9 . 如图,在
中,
,
,尺规作图作出
的垂直平分线与
交于点
,则
的度数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
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7卷引用:2023年吉林省松原市长岭一中、二中、五中中考数学模拟预测题
2023年吉林省松原市长岭一中、二中、五中中考数学模拟预测题山东省济南市平阴县2020-2021学年七年级下学期期末数学试题北京市朝阳区日坛中学2021-2022学年八年级上学期期中数学试题湖南省郴州市临武县第六中学2022-2023学年八年级上学期第二次月考 数学试题黑龙江省依兰县三道岗中学2022-2023学年八年级上学期期中数学试题2024年吉林省中考数学模拟预测题(一)(已下线)专题5.6 简单的轴对称图形——垂直平分线(分层练习)-2023-2024学年七年级数学下册基础知识专项突破讲与练(北师大版)
22-23八年级下·江苏·阶段练习
名校
10 . 如图,▱ABCD的周长是
,对角线相交于点O,且
,则
的周长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ef0460d633ef5ea688ec100d56ec4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5336e734f01cf5caaa3534d032ba4aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
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8卷引用:江苏省泰州市姜堰区实验初级中学2022-2023学年八年级下学期数学第一次学情调查3.2
(已下线)江苏省泰州市姜堰区实验初级中学2022-2023学年八年级下学期数学第一次学情调查3.2江苏省泰州市姜堰区姜堰区实验初级中学2022-2023学年八年级下学期月考数学试题江苏省南京市2023-2024学年八年级下学期第一次月考模拟练习数学试题江苏省 连云港市赣榆区连云港市和安中学2023-2024学年八年级数学下学期第一次月考试题江苏省扬州市江都区江都区实验初级中学2023-2024学年八年级下学期月考数学试题江苏省镇江市丹阳市正则集团2023-2024学年八年级下学期数学3月月考试题江苏省徐州市睢宁县春晖中学2023-2024学年八年级下学期3月月考数学试题湖北省孝感市安陆市2023-2024学年八年级下学期期中数学试题