名校
1 . 如图,四边形
内接于
,延长
交
于点
,连接
,若
,
,则
的大小为_______ °.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3975d0e87ea5028d37444dca76b331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ea9ffbbabd6b5c90e4678c15bb1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8407954a328c08add8decf551fa4340d.png)
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2024-04-28更新
|
70次组卷
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11卷引用:湖南省长沙市长郡双语实验中学2023-2024学年九年级上学期第一次月考数学试题
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2 . 如图,
为
的直径,点
在圆上,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0cd1103a6aa22744b54a0fda34519e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-11更新
|
678次组卷
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20卷引用:湖南省湘潭市湘潭县江声实验学校2023-2024学年九年级下学期月考数学试题
湖南省湘潭市湘潭县江声实验学校2023-2024学年九年级下学期月考数学试题湖南省长沙市明德教育集团2023-2024学年九年级下学期月考数学试题北京市海淀区人民大学附属中学2022-2023学年九年级上学期数学练习2(10月考)天津市实验中学滨海学校2022-2023学年九年级上学期期中质量调查数学试题广东省广州市华南师范大学附属中学2022-2023学年九年级上学期数学期末卷广东省广州市天河区华南师范大学附属中学2022-2023学年九年级上学期期末数学试卷云南省曲靖市会泽县城区八校联考2022-2023学年九年级上学期期中数学试题浙江省宁波市镇海区立人中学2022-2023学年九年级上学期期中数学试题河北省廊坊市香河县2022—2023学年九年级上学期期末数学试题云南省昆明市第十中学、白塔中学2022-2023学年九年级下学期开学考数学试题湖北省襄阳市襄城区2023-2024学年九年级上学期期中数学试题浙江省台州市仙居县白塔中学2023-2024学年九年级上学期期中数学试题广东省江门市广雅中学2022-2023学年九年级上学期期中数学试题A卷河北省保定市安新县2023-2024学年九年级上学期期末数学试题云南省昆明市官渡区官渡区云南师范大学附属官渡学校2023-2024学年九年级上学期12月月考数学试题(已下线)专题08+圆的基本性质1(5大易错点分析)-备战2024年中考数学考试易错题(浙江专用)(已下线)专题05圆的综合应用(3大模型+解题技巧)-2024年中考数学答题技巧与模板构建(全国通用)(已下线)专题10 圆的相关概念和定理(4大易错点分析)-备战2024年中考数学考试易错题(天津专用)山东省泰安市宁阳县2023-2024学年九年级下学期期中数学试题2024年河南省南阳市卧龙区南阳市第十三中学校中考二模数学试题
3 . 如图,四边形
的四个顶点都在
上,
平分
,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/abb308cb-2bc6-44e5-9631-80445e3d0067.png?resizew=131)
(1)求证:
;
(2)若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8621541881fc9a3c79bf300bc6a2f9e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/abb308cb-2bc6-44e5-9631-80445e3d0067.png?resizew=131)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7159d113d1301b49171e736384f00131.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae62fcc7e69d82931f6b818e8ad712d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb878923d892fb2607a2d046c65b4f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
名校
4 . 如图,四边形
内接于
,
弦
,若
,则
的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6d39135a2f8472d66ea00eda3b13ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45723dce96b74f027adcb1a4ecd19db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/1b8b1f11-cfd6-4f2d-87a4-89eb28f281b9.png?resizew=99)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图1,在正方形
中,
为边
上的动点(与点
不重合),点
在
的外接圆上,且在正方形
内部,
是
的中点,圆的半径为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/80ce020f-8921-4b20-98e9-e22fd9e1387d.png?resizew=417)
(1)证明
为等腰直角三角形
(2)如图2,连接
过点
作
于
,求
的长
(3)如图3,若
为
的一个四等分点,点
在
的外接圆上,
,求
的长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/da6b93dbe5272a5167ff4e2918bec864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f986c181183d8e7e45655e6c5b5d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/80ce020f-8921-4b20-98e9-e22fd9e1387d.png?resizew=417)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acb5e90dbcc3f3340916a3a11cc4612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7044476eb6e90a781518c230f4637bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(3)如图3,若
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2058ca6a9f448275b5cce997dc95650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
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6 . 如图,已知
为四边形
的外接圆,
为圆心,若
,
,则
的半径长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03dec5f11c1dcf9747edcd27a798fa56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4362edfc026266c5d29b3f90df374e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/0ce04a8e-1fba-4602-a9c3-ff752cf34efe.png?resizew=129)
您最近一年使用:0次
名校
7 . 如图,四边形
是
的内接四边形.若
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae6125166e84d3d7857bb952091f468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-14更新
|
104次组卷
|
2卷引用:2024年湖南省怀化市雅礼实验学校中考一模数学试题
名校
8 . 如图,四边形
是
的内接四边形,
是直径,
是
的中点,过点
作
交
的延长线于点
.
是
的切线;
(2)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd6ffb78dad3375efa3b08ab518553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497846628a41a9bc750a645e045afb47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
2024-01-14更新
|
152次组卷
|
4卷引用:湖南省岳阳市弘毅新华中学2023-2024学年九年级下学期开学考试数学试题
名校
9 . 如图,
中,
,
,
与边
,
的另一个交点分别为
,
.则
的大小为 _______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998329f9cdb86f5d60d7d5d70fc3781e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/b9d83542-7f10-4029-91d1-315a7e5bfbd7.png?resizew=101)
您最近一年使用:0次
10 . 如图,
、
、
是
上的三点,并且
,点
是圆上的一个动点
点
不与点
、
、
重合
,连接
、
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/ccf31d7b-43ff-4293-874c-4a8ceb998259.png?resizew=100)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9693da3141d4af5e8deb0fd17dd5aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0433f8116768b42642a7f7e5977ce6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/ccf31d7b-43ff-4293-874c-4a8ceb998259.png?resizew=100)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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