1 . 在
中,
.用尺规作图完成如下操作,保留作图痕迹.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/0fbc1a90-09a7-4542-a8cd-b01602c7e0a3.png?resizew=83)
(1)作
的角平分线
交
边于点D;
(2)在
上求作一点P,使得
;
(3)线段
之间的数量关系________.
(4)若
的度数是_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab41054fa9ce51b68e78d9c0cf398d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/0fbc1a90-09a7-4542-a8cd-b01602c7e0a3.png?resizew=83)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e5641c2b9c38884498a4e85778c012.png)
(3)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f279ddc3af0162ce0f87489cb226f8b1.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aebc20c61d0127ed37e62a32f31b9d.png)
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2 . 如图,在
中,
,
的垂直平分线交
于点D、E,则图中等腰三角形的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/98d313bc-fef0-452b-be37-d2154b4c6db6.png?resizew=97)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909f73641cc557af6dd050e5433beb2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881068127a39caf319492b4177204f0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/98d313bc-fef0-452b-be37-d2154b4c6db6.png?resizew=97)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
名校
3 . 如图,
,
,若
和
分别垂直平分
和
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b030708f7e622f3f992649b21eec6b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a427709e6575431882877cda3b59ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460aa3d83df61f6c411b34412135451.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/cf34d7984aa53ae3efb6088aeaacc718.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-06更新
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168次组卷
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9卷引用:湖北省武汉市蔡甸区2022-2023学年八年级上学期期中数学试题
湖北省武汉市蔡甸区2022-2023学年八年级上学期期中数学试题湖北省武汉市江夏区、蔡甸区2022-2023学年八年级上学期期中数学试卷 河南省三门峡市渑池县2022-2023学年八年级上学期期末数学试题山东省德州市平原县2022-2023学年八年级上学期期末数学试题湖北省武汉市关山中学2023-2024学年八年级上学期期中数学试题2024年南京市玄武区玄武外国语学校九年级第六周模拟预测题2024年辽宁省沈阳市协作体中考数学零模后跟踪训练模拟预测题(已下线)专题02 线段的垂直平分线与角平分线(7大题型+优选提升题)-备战2023-2024学年八年级数学下学期期末真题分类汇编(北师大版)(已下线)暑假作业02 线段的垂直平分线与角平分线-【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,反比例函数
的图象经过点
,连接
,直线
垂直平分线段
交
轴正半轴于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/776c87f8-5ae1-4022-9e5f-a7591847d658.png?resizew=173)
(1)求反比例函数的表达式.
(2)请用无刻度的直尺和圆规作出
的平分线.(要求:不写作法,保留作图痕迹)
(3)直线
与(2)中所作的角平分线相交于点
,连接
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6682751287a3731506f5edc7777579a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8930fec6ef05fff19c3045363ed4ac6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/776c87f8-5ae1-4022-9e5f-a7591847d658.png?resizew=173)
(1)求反比例函数的表达式.
(2)请用无刻度的直尺和圆规作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a719046ed0471acd5657da73938f2a.png)
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2024-04-06更新
|
87次组卷
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2卷引用:2023年河南省许昌市鄢陵县二模数学模拟试题
名校
5 . 在
中,
分别是边
的垂直平分线,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/09ae2241-2276-4751-b3ef-92b2584cdf5e.png?resizew=203)
(1)若
,求
的度数.
(2)若
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4914fef4302bc558cbe6bad66de49ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/09ae2241-2276-4751-b3ef-92b2584cdf5e.png?resizew=203)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb04f507cc2eadbb5881f815d206d81e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00870385ca7f3214e2971779eb4c7904.png)
您最近一年使用:0次
名校
6 . 如图,在
中
平分
,按以下步骤作图:第一步分别以点A、D为圆心,以大于
的长为半径在
两侧作弧,交于两点M、N;第二步,连接
分别交
于点E、F;第三步,连接
,若
,
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cb1a4c5afb590c7c17de14d15651e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbdd93803e139cce24fe064e8371ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bc4c9dd737193f7acce692b23500d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
A.3 | B.4 | C.5 | D.6 |
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2024-04-05更新
|
222次组卷
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9卷引用:广东省深圳市罗湖外语初中学校2022-2023学年九年级上学期期末考试数学试卷
广东省深圳市罗湖外语初中学校2022-2023学年九年级上学期期末考试数学试卷广东省深圳市深圳实验学校初中部2023-2024学年九年级上学期月考数学试题辽宁省盘锦市大洼区大洼区第二初级中学2023-2024学年九年级上学期期末数学试题广东省深圳市北师大南山附属学校中学部2023-2024学年九年级下学期开学考数学试题2023年吉林省松原市前郭县学区五校中考第五次数学模拟预测题2023年吉林省名校调研卷系列(省命题A)九年级下学期第五次模拟测试数学模拟预测题2023年新疆克州中考数学模拟预测题2024年广东省汕头市澄海区汕头市澄海中学中考一模数学试题2024年江苏省常州市教科院中考二模数学试题
7 . 如图,在等边三角形
中,
是边
上的中线,且
,
是
上的一个动点,
是边
的中点,
的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/71a820a7-dc6a-49bc-acb9-9fa6c3da74c0.png?resizew=106)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/267ace52b64e1e7dfc5211e033255b7d.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e246bfce726aedecbbfc92286be4855.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/71a820a7-dc6a-49bc-acb9-9fa6c3da74c0.png?resizew=106)
A.5 | B.6 | C.7 | D.8 |
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2024-04-02更新
|
227次组卷
|
3卷引用: 河南省洛阳市嵩县2023-2024学年八年级上学期期末考试数学试题
8 . 如图,中,
,
分别为
的垂直平分线,E、G分别为垂足.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36ff76f9f1ee12db562cde7a58b8c3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592849d99e570c23906687097b1072ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
名校
9 . 如图,已知
是
的角平分线,
的垂直平分线交
于点F,交
的延长线于点E.以下四个结论:(1)
;(2)
;(3)
;(4)
.以上恒成立的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/28/fd3d7e9d-5240-47dd-b431-aad176a0022d.png?resizew=219)
![](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/03902478df1a55bc99703210bccab910.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/5fed26111f78f74696b3d347196a63d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b3f839ce88bf970aceb44ab939bd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881b0d47457539e98db917b95c186eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08aa8f8e40a744c91eb897d06f6dde1d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/28/fd3d7e9d-5240-47dd-b431-aad176a0022d.png?resizew=219)
A.(1)(2) | B.(2)(3)(4) | C.(1)(2)(4) | D.(1)(2)(3)(4) |
您最近一年使用:0次
10 . 如图,在
中,
分别垂直平分
和
,交
于M、N两点,
与
相交于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/ef8a90c2-f697-4c4a-b79a-18faf49fbc08.png?resizew=301)
(1)若
的周长为
,求
的长;
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579c40cc83f7281d9b1c417bf314dd83.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/ef8a90c2-f697-4c4a-b79a-18faf49fbc08.png?resizew=301)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc31bf4b6ed8cf336432a5a2791e67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2965dcbc436b5e4fc20cd4a894c6b89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f8eff113ca3f0d0200253c7c2f5a7a.png)
您最近一年使用:0次