1 . 如图,在
中,分别以点
和
为圆心,以大于
的长为半径作弧,连接两弧的交点与
分别交于点
,点
,连接
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/411bf8e5-3ae5-4306-91d8-8991c916409e.png?resizew=158)
![](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/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532aece6cfd67e2a97977eed978dbf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/411bf8e5-3ae5-4306-91d8-8991c916409e.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 在平面直角坐标系中,如图,直线
与
轴、
轴分别交于点
、点
,直线
与
轴、
轴分别交于点
点
,直线
和
相交于点
.
的值以及点
的坐标;
(2)关于
的不等式组
的解集为______;
(3)判断
的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b07b1adb394ce84ef10b3d3be2510c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586d6b7a54a256cb0ecd0ea2d8262f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de31d6d1012a153a5f04726d2714d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e77881f179c0597debde7a59561d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d29d7fac4f150927e672507bdb26285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf8f51a98b8668c57d8c05f3bb238b3.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
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2024-01-23更新
|
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2卷引用:安徽省亳州市利辛县江集镇宇航初级中学2023-2024学年八年级上学期期末数学试题
名校
3 . 如图,
中
的垂直平分线分别交
、
于点
、
,点
为
上一动点,则
的最小值是以下哪条线段的长度( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/39ad5313-b22c-40cd-89a7-01886e33878e.png?resizew=125)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.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/e1a9c6a736e6eac98a676fa3232db5a5.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/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9053054055199b6f13fddcc5802f7201.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/39ad5313-b22c-40cd-89a7-01886e33878e.png?resizew=125)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-21更新
|
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18卷引用:安徽省芜湖市第二十九中学2023-2024学年八年级上学期期中数学试题
安徽省芜湖市第二十九中学2023-2024学年八年级上学期期中数学试题安徽省阜阳市2021-2022学年八年级上学期期中数学试题(已下线)人教版(2012)八年级上册期末冲刺小卷五(已下线)专题07 最短路径问题(3类经典题型+优选提升)-【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(人教版)江苏省南京大学附属中学2023-2024学年八年级上学期数学期末模拟综合评估试题江苏省徐州市邳州市宿羊山初级中学2023-2024学年八年级上学期期末数学试题辽宁省葫芦岛市绥中县2023-2024学年八年级上学期期中数学试题重庆市南开中学2021-2022学年八年级上学期入学考试数学试题山东省德州市陵城区2021-2022学年八年级上学期期中数学试题天津市第七中学2021-2022学年八年级上学期期末数学试题北京市东城区2021-2022学年八年级上学期期末数学试题河北省邯郸市永年区2021-2022学年八年级上学期期末数学试题天津市滨海新区塘沽第一中学2021-2022学年八年级上学期期中考试数学试题黑龙江省哈尔滨市巴彦县2022-2023学年八年级上学期期中数学试卷河南省驻马店市平舆县2022-2023学年八年级上学期期中数学试题黑龙江省哈尔滨市巴彦县华山乡第一中学2022-2023学年八年级上学期期中数学试题黑龙江省哈尔滨市尚志市苇河镇中学2022-2023学年八年级上学期期中数学试题四川省绵阳市安州区2023-2024学年八年级上学期期末数学试题
4 . 如图,在
中,
,
,
的垂直平分线
交
于点
,交
于点
,若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/1b6127ed-4071-4186-9529-8c95a8c280ee.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab41054fa9ce51b68e78d9c0cf398d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780fda3f92884ca7b32428310f68c51a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c6e7c025362c46a64a8956761f08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52423e252340d1fb40096c726db184e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/1b6127ed-4071-4186-9529-8c95a8c280ee.png?resizew=176)
A.8 | B.10 | C.12 | D.14 |
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5 . 如图,在
中,直线
为线段
的垂直平分线,交
于点
,连接
.若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/6bf1f687-d1a1-4c7f-8ab3-ec1028b182f0.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/2e274f4919dcb27a7774883ad98dcc30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/6bf1f687-d1a1-4c7f-8ab3-ec1028b182f0.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 如图,已知
中,
.在直线
或
上取一点P,使得
是等腰三角形,则符合条件的P点有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b4e453406dad357caf3faea5cbae6.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/2205cffebf8c4d5f81d15ed7b85c8936.png)
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2023-12-24更新
|
40次组卷
|
26卷引用:安徽省淮南市寿县中学2022-2023学年八年级下学期期末质量调研数学试卷
安徽省淮南市寿县中学2022-2023学年八年级下学期期末质量调研数学试卷广东省茂名市博雅中学2022—2023学年八年级下学期期中考试数学试题(已下线)专题13.7 等腰三角形中的分类讨论思想七大考点-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13.7 等腰三角形中的分类讨论思想七大考点-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2.7 等腰三角形中的分类讨论思想七大考点-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2.11 等腰三角形中的分类讨论思想七大考点-2023-2024学年八年级数学上册举一反三系列(浙教版)(已下线)八年级数学上学期期中模拟测试卷01(人教版)-2023-2024学年八年级数学上学期期中期末考点归纳满分攻略讲练(人教版)(已下线)清单06 分类讨论思想在等腰三角形中的应用(6种题型解读(36题))-2023-2024学年八年级数学上学期期末考点大串讲(苏科版)(已下线)专题15.6 等腰三角形中的分类讨论思想七大考点-2023-2024学年八年级数学上册举一反三系列(沪科版)2012-2013年山东嘉祥萌山初级中学八年级上期中综合复习检测数学试卷2015年课时同步练习(浙教版)八年级上2.4等腰三角形的判定定理22015-2016学年江苏省阜宁县八年级上学期期中统考数学试卷黑龙江省大庆市肇源县2017届九年级上学期第一次月考(10月)数学试题沪科版八年级数学上册 第15章 轴对称图形与等腰三角形 单元测试题江苏省盐城市南洋中学2018-2019学年八年级上学期期中考试数学试题2018-2019学年上海市杨浦区七年级(下)第二次月考数学测试卷天津市和平区2019-2020学年八年级上学期期中数学试题1天津市和平区2019-2020学年八年级上学期期中数学试题2内蒙古自治区呼和浩特市玉泉区2019-2020学年八年级上学期期中数学试题四川省阆中中学、保宁中学2020-2021学年八年级上学期期中数学试题天津市天津市南开中学2020-2021学年八年级上学期11月月考第二阶段数学试题山西省朔州市怀仁市2020-2021学年八年级上学期期中数学试题湖南省攸县石羊塘镇中学等十校2021-2022学年八年级上学期期中考试数学试题广西贺州市富川县2021-2022学年八年级上学期期末考试数学试题湖南省长沙市青竹湖湘一外国语学校2022-2023学年八年级上学期第一次月考数学试题(已下线)北师大八年级下学期期中必刷基础60题(36个考点专练)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(北师大版)
7 . 如图,在
中,
,
的垂直平分线交
于点D,交
于点E,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e9ce805b4864002d81d390e262bd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79fb1a9ee256f632e3b15bf31064cb73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/169f0609-87b6-4e6a-ba21-f05dddcfd586.png?resizew=171)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 如图,在
中,
,
,分别以点A和点B为圆心,大于
的长为半径画弧,两弧相交于点M,N,作直线
,交
于点D,交
于点E,连接
,若
,则
的长为( )
AI
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c513dca3b8c31bc8d0ed4301e94cc1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b4c9fab3f6dc6f613f1d4d8a1bfc9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8d6071424c5af4b301a3b78f97a6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddeb9efb488b31ae67efd29efd56b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/b2f8af87-251f-4144-9633-e840b9f14fec.png?resizew=150)
A.2 | B.3 | C.4 | D.5 |
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9 . 如图,在
中,
是
边上的一点,且
,
,
与
相交于点
,
与
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/0af82074-269a-4c68-a817-81c18556794a.jpg?resizew=202)
(1)证明:
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/5dd72e399cbc9beead45a955482dd315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/0af82074-269a-4c68-a817-81c18556794a.jpg?resizew=202)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5dd0a04b4d04a7ee193d54fa3c34b3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792ce7ccdda8140fd96c5e257660244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb13a51b4a70ee26d9311f6d32ac62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36691f0269294ecae8f00b7bce97756c.png)
您最近一年使用:0次
10 . 如图,已知抛物线
与x轴交于
,
两点(点A在点B的左侧),与y轴交于点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/ed36260f-bb3e-4908-a286-5a19605a75c6.png?resizew=144)
(1)求抛物线的解析式;
(2)点D是第一象限内抛物线上的一个动点(与点C,B不重合),过点D作DF垂直x轴于点F,交直线BC于点E,连接
,直线
能否把
分成面积之比为
的两部分?若能,请求出点D的坐标;若不能,请说明理由;
(3)若P为抛物线对称轴上一点,且使得
的值最小,请直接写出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c977d0f39570f4f89be26efe20cc056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fe2c124d5bbbbe666ee145cd454b6b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/ed36260f-bb3e-4908-a286-5a19605a75c6.png?resizew=144)
(1)求抛物线的解析式;
(2)点D是第一象限内抛物线上的一个动点(与点C,B不重合),过点D作DF垂直x轴于点F,交直线BC于点E,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e64c953aaf341e772a5fe776fbc78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4806fb7f95f63e863c287faa51f8e3.png)
(3)若P为抛物线对称轴上一点,且使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358fc84845695e6eb58ffdf82394a16b.png)
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