1 . 如图,在
中,
,
,分别以点
和点
为圆心,大于
的长为半径作圆弧,两弧相交于点
和点
,作直线
,交
于点
,连接
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713bb0199e6f0280f5556db313bbe694.png)
![](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/20d49404351575703cfe8325d1352ec9.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e142544a6d4e6851096afbd3cbad2fe2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/772bdd37-e0f2-4b53-810d-82c9232a3656.png?resizew=158)
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2 .
中,
,
边的中垂线与直线
所成的角为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.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/2fb94bd9eb80fb9f5f02f518bb8f2211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
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山西省吕梁市兴县东会中学2023-2024学年八年级上学期期中数学试题广东省珠海市香洲区珠海市第九中学2023-2024学年八年级上学期期中数学试题海南省海口市琼山区海南中学2023-2024学年八年级上学期期中数学试题(已下线)期中押题卷(一)(考试范围:第1~3章)-【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)辽宁省锦州市黑山县2023-2024学年八年级下学期期中数学试题
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3 . 如图,在
中,
垂直平分
,分别交
、
于D、E,连接
,
平分
,交
于F,若
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7595bdaea3dfa548c0fcfe3708387476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cbf3ba8cb27906cb6b87dc0d6c440e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3909f220cf6bd065e382e263b77aa22.png)
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23-24八年级·江苏·假期作业
4 . 如图,在
中,
,
,
是
的平分线且
,若
、
分别是
、
上的动点,则
的最小值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eeb0c8df3d8c5260768c5e407b3583a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.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/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5d464faee7d43274109aa13698fa48.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/8e3ab13f-72af-4dee-ad10-bb2301bbce0c.png?resizew=134)
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山西省朔州市怀仁市怀仁市第四中学校2023-2024学年八年级上学期期中数学试题山西省朔州市右玉县2023-2024学年八年级上学期期中数学试题(已下线)重难点05轴对称之“将军饮马”模型-【暑假自学课】2023年新八年级数学暑假精品课(苏科版)(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)(已下线)专题05 最短路径问题、特殊三角形的存在性问题(二大题型,9类型)-【好题汇编】备战2023-2024学年八年级数学上学期期中真题分类汇编(苏科版)山东省滨州市滨州经济技术开发区2023-2024学年八年级上学期期中数学试题山东省德州市德城区第九中学2023-2024学年八年级上学期期中数学试题山东省德州市宁津县第六实验中学2023-2024学年八年级上学期期中数学试题内蒙古自治区呼伦贝尔市阿荣旗2023-2024学年八年级上学期期末考试数学试题河南省安阳市2023-2024学年八年级上学期第一次月考数学试题陕西省安康市2023-2024学年八年级上学期期末数学试题四川省泸州市龙马潭区五校联考2023-2024学年八年级上学期1月月考数学试题
5 . 如图,在
中,分别以点
和点
为圆心,大于
的长为半径画弧两弧相交于点
,
.作直线
,交
于点
,交
于点
,连接
.若
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/dca6eac0-38d8-41b2-abdc-21b6c32c0980.png?resizew=128)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d452f74791f58e8400cb8d2d6038dc4.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/60ef95894ceebaf236170e8832dcf7e3.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb6ca11c8c7d9e7d5b926dc6399ee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432cce1481829c4dfe2bd557f6e9aa4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/dca6eac0-38d8-41b2-abdc-21b6c32c0980.png?resizew=128)
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6 . 综合与探究
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/43ced3b6-4244-4350-946a-bff7d839cc6b.png?resizew=342)
(1)【基础巩固】如图1,在
中,
,
.
平分
,
的垂直平分线交
于点
,交
于点
,连接
,试判断
的形状,并说明理由.
(2)【深入探究】如图1,在(1)的条件下,连接
,试猜想
和
的位置关系,并证明你的结论.
(3)【拓展提高】如图2,在(2)的条件下,N是
上一点,连接
,作
,交
的延长线于点G,延长
到点H,使得
,连接
,试探究
和
之间的数量关系,并证明你的判断正确.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/43ced3b6-4244-4350-946a-bff7d839cc6b.png?resizew=342)
(1)【基础巩固】如图1,在
![](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/7c646c683fbe522edb7ea54fd3ad873d.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
(2)【深入探究】如图1,在(1)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)【拓展提高】如图2,在(2)的条件下,N是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b637068887e4a082e65c993213e770e.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/8f469a9ed35e6b6a8bbc718c09547a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9d2abf13c2842f58654abf73c6b4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
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7 . 如图,已知
,用尺规在
上确定一点
,使
.则下列四种不同方法的作图中准确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/823f0180-a38c-4aad-8075-e07048e1f885.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5a8a02cabc6e468e7dcd6fcc533b28.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/8b13c082d45f4c89d93b602d7e9f74a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/823f0180-a38c-4aad-8075-e07048e1f885.png?resizew=124)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7卷引用:山西省临汾市侯马市502学校2023-2024学年八年级上学期第二次月考数学试题
山西省临汾市侯马市502学校2023-2024学年八年级上学期第二次月考数学试题 山西省临汾市洪洞县名校协作2023-2024学年八年级上学期月考数学试题(已下线)专题1.1 三角形的证明 重难点题型13个-2022-2023学年八年级数学下册重难题型全归纳及技巧提升专项精练(北师大版)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 山东省滨州市无棣县2022-2023学年八年级上学期期中考试数学试题(已下线)第十六章 轴对称和中心对称(A卷-中档卷)-【单元测试】2022-2023学年八年级数学分层训练AB卷【冀教版】(已下线)浙江八年级上学期期中【常考60题考点专练】-2022-2023学年八年级数学上学期考试满分全攻略(浙教版)
名校
8 . 如图,在
中,
,
的垂直平分线
与
的延长线交于点E,与
交于点F,若
,
,则
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.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/da70e20261713e3043943317afca9660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348fb71fbc47fd87e9ce011652ef4186.png)
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9 . 尺规作图:有一块土地形状是三角形,其中
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c5d60ff5-ab8d-49b8-97fe-8c038c675ac1.png?resizew=223)
(1)在图1中,要把这块三角形的土地均匀分给甲、乙两家农户,要使这两家农户所得土地是面积相等的等腰三角形,请用无刻度直尺和圆规画出分法;(保留作图痕迹,不写作法)
(2)在图2中,要把这块三角形的土地均匀分给甲、乙、丙三家农户,要使这三家农户所得土地的大小、形状都相同,请用无刻度直尺和圆规画出分法.(保留作图痕迹,不写作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c5d60ff5-ab8d-49b8-97fe-8c038c675ac1.png?resizew=223)
(1)在图1中,要把这块三角形的土地均匀分给甲、乙两家农户,要使这两家农户所得土地是面积相等的等腰三角形,请用无刻度直尺和圆规画出分法;(保留作图痕迹,不写作法)
(2)在图2中,要把这块三角形的土地均匀分给甲、乙、丙三家农户,要使这三家农户所得土地的大小、形状都相同,请用无刻度直尺和圆规画出分法.(保留作图痕迹,不写作法)
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2023-12-21更新
|
50次组卷
|
2卷引用:山西省大同市第一中学校2023-2024学年八年级上学期月考数学试题
10 . 如图所示,在
中,
的垂直平分线
交
于点D,若
,
,则
的度数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee81929c987732fcb379802eeef7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a58f60b2a45a9f4b08348f4234b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/2ff03f64-8048-4649-9b06-cb9a2bc61229.png?resizew=177)
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