名校
1 . 如图,在
中,
,以
为直径的
交
边于点D,过点C作
,与过点B的切线交于点F,连接
.
;
(2)若
,求
的长.
![](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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9f641563e8533a5bb39188aa7cc182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a87efa1454c6082c9168c66b5a129f3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e11f7255b70ee069b754d2caf80301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2023-02-06更新
|
192次组卷
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5卷引用:鲁教版(五四制)七年级数学上册 第三章 勾股定理 单元测试
2018九年级·全国·专题练习
名校
2 . 如图,已知,
.
(1)在图中,用尺规作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f68e4414c9ab464bf433385c03705f.png)
您最近一年使用:0次
2023-01-14更新
|
83次组卷
|
12卷引用:第24章 圆【B卷】-2021-2022学年九年级数学上册同步必刷基础拓展单元卷(人教版)
(已下线)第24章 圆【B卷】-2021-2022学年九年级数学上册同步必刷基础拓展单元卷(人教版)沪教版九年级数学下学期 第二十七章 圆与正多边形单元测试(已下线)2年中考1年模拟 第四篇 图形的性质 专题25 尺规作图(已下线)中考考点总动员 考点29 尺规作图【全国校级联考】湖南省邵阳市北塔区2018届九年级中考数学考前押题卷(二)【全国区级联考】湖南省邵阳市北塔区2018届中考押题数学试卷【区级联考】江苏省南京市溧水区2019届九年级第一学期期末数学试题(已下线)【万唯原创】2018年山西-试题研究-第一部分第七章7.1+7.2(已下线)考点18 尺规作图与定义、命题、定理-备战2021年中考数学考点 核心考点清单福建省福州三牧中学2021-2022学年九年级下学期期中考数学试题江苏省盐城市东台市五烈镇广山中学等3校2022-2023学年九年级上学期期中数学试题 2024年山西省晋中市昔阳县中考一模数学试题
3 . 如图所示,
是
的直径,点
为线段
上一点(不与
,
重合),作
,交
于点
,垂足为点
,作直径
,过点
的切线交
的延长线于点
,
于点
,连接
试证明:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/77e2425c-11aa-4d0b-b4bf-323a44d97d68.png?resizew=145)
(1)
是
的角平分线;
(2)
.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84a7cd47edd57011a3816f7180995b6.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f392902d611863c6908a48e696e7bd8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f96cb123d292cfdb6d9e0b1caf5ea56.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/77e2425c-11aa-4d0b-b4bf-323a44d97d68.png?resizew=145)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d451070229ac0bbba9fe73dbd9600602.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21204d1c00149a21f59c004f6b927237.png)
您最近一年使用:0次
2022-12-29更新
|
144次组卷
|
4卷引用:人教版2019届九年级数学上 第二十四章圆 检测试题
人教版2019届九年级数学上 第二十四章圆 检测试题河南省驻马店市正阳县2022-2023学年九年级上学期期中数学试题(已下线)专题2.6 切线的判定和性质【九大题型】-2023-2024学年九年级数学上册举一反三系列(苏科版)(已下线)专题24.6 切线的判定和性质【九大题型】-2023-2024学年九年级数学上册举一反三系列(人教版)
4 . 如图,已知:
,求作:
,使
与边
都相切,且圆心O在
上.尺规作图(保留作图痕迹,不写作法和证明)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f452e1807032b6d6ebba235ef1a9fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6877751384616819a8ddeef96c4133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2022/12/13/3130042420617216/3130834335670272/STEM/8813d932296d4a4f86b62eaff86f44f9.png?resizew=113)
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2022-12-14更新
|
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|
2卷引用:浙教版九年级下册第二章直线与圆的位置关系单元测试数学试题
12-13九年级上·北京·期中
名校
5 . 如图,
,
是
的切线,A,B为切点,
是⊙O的直径,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394563bdc76232327ba5e9c709901f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19768d8c55deb4973820aeab7a224e6a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/d9abcd9e-fe4a-47ad-9442-feb9ae06720e.png?resizew=190)
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2022-12-07更新
|
873次组卷
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24卷引用:人教版九年级上册数学 第24章 圆 单元检测题
人教版九年级上册数学 第24章 圆 单元检测题(已下线)2013届北京市三十一中学初三上学期期中考试数学试卷2012-2013学年浙江省湖州十一中九年级第二学期期中考试数学试卷2015届福建省龙岩市江山中学九年级上学期第三次月考数学试卷江苏省靖江市生祠初级中学2016届九年级下学期中考复习周练数学试题【校级联考】海南省琼中县2018届九年级(上)期末数学试卷【校级联考】河南省洛阳市宜阳县2018届九年级(上)期末数学试卷【校级联考】湖北省黄石市协作体2019届九年级上学期期末考试数学试题【校级联考】浙江省杭州城区6校2019届九年级4月月考数学试题江苏省南通市启秀中学2019-2020学年九年级上学期11月月考数学试题内蒙古自治区呼伦贝尔市莫旗2019-2020学年九年级上学期期末数学试题2020年天津市和平区部分中学中考数学模拟试题(已下线)【人教版课时练习】习题24.2复习巩固广东省云浮市新兴县2021-2022学年九年级上学期期末数学试题江苏省扬州市宝应县联盟学校2022-2023学年九年级上学期10月作业数学试题北京市海淀区师达中学2022-2023学年九年级上学期11月阶段性练习数学试卷山东省东营市东营区实验中学2022-2023学年九年级上学期期中数学试题江苏省仪征市实验中学东区校2022-2023学年九年级上学期10月月考数学试题广东省广州白云广雅实验学校2022-2023学年九年级上学期数学期末综合诊断试题湖北省鄂州市临空经济区2022-2023学年九年级上学期期末考试数学试卷(已下线)2022年江苏省南通启东市九年级中考二模数学试题变式题21-26广东省广州市荔湾区广州广雅学校2022-2023学年九年级上学期期末考试数学试题 (已下线)吉林省松原市扶余市2023-2024学年九年级上学期期末数学试题天津北京师范大学静海附属学校2023-2024学年九年级上学期第三次月考数学试题
6 . 如图,在边长为2的等边
中,以点O为圆心画弧,与
边相切于点C,交
于点D,交
于点E,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c44512cb86bcf48c6d21357f45b533.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/88203cdf-979f-45f0-815c-4702b8705141.png?resizew=150)
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2022-11-04更新
|
106次组卷
|
3卷引用:浙教版九年级下册第二章直线与圆的位置关系单元测试数学试题
7 . 物线与
轴交于
两点,其中点
的坐标为
,与
轴交于点
,点
为抛物线的顶点,且点
的横坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/de7ced19-1905-4b08-9116-4a45e8136964.png?resizew=186)
(1)求此抛物线的函数表达式;
(2)求
的面积;
(3)若点
是
轴下方拋物线上任意一点,已知
的半径为2,当
与坐标轴相切时,圆心
的坐标是_____________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae140e4db2c5563e5f902fcbebaac262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/de7ced19-1905-4b08-9116-4a45e8136964.png?resizew=186)
(1)求此抛物线的函数表达式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2022-11-04更新
|
329次组卷
|
4卷引用:第5章 二次函数(B卷·能力提升练)-【单元测试】2022-2023学年九年级数学下册分层训练AB卷(苏科版)
(已下线)第5章 二次函数(B卷·能力提升练)-【单元测试】2022-2023学年九年级数学下册分层训练AB卷(苏科版)江苏省徐州市沛县2022-2023学年九年级上学期期中数学试题江苏省徐州市市区2022-2023学年九年级上学期期中数学试题(已下线)2023江苏省苏州市中考数学变式题22-27题
8 . 在△ABC中,∠ACB=90°,CA=CB=4,点D在BC上,且BD=2,以B为圆心,将BD顺时针旋转270°,形成优弧DF,P为优弧DF上一点,线段CP绕着点C顺时针旋转90°,得到线段CE,连接PB,AE.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/86dc4da6-83d4-4abc-a1a4-e662e1dcc6de.png?resizew=196)
(1)求证:AE=BP;
(2)若CP与优弧相切,则符合条件的P点有_________个,CP=_________;
(3)当
时,求∠CBP的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/86dc4da6-83d4-4abc-a1a4-e662e1dcc6de.png?resizew=196)
(1)求证:AE=BP;
(2)若CP与优弧相切,则符合条件的P点有_________个,CP=_________;
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372727cd89ee7d67787d14aa70b1b9a9.png)
您最近一年使用:0次
真题
9 . 如图,
是
的外接圆,
与
相切于点D,
分别交
,
的延长线于点E和F,连接
交
于点N,
的平分线
交
于点M.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/9666b482-4f73-4918-ba8c-d82e0c197fec.png?resizew=230)
(1)求证:
平分
;
(2)若
,
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476b0b8378f4b0f73f3dc5d84d89f616.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/9666b482-4f73-4918-ba8c-d82e0c197fec.png?resizew=230)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe9e810c9dcace5a59f63aea023457c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da617789f19cad2b506d0b6eb7e6fb7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
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2022-10-01更新
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1827次组卷
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7卷引用:浙教版九年级下册第二章直线与圆的位置关系单元测试数学试题
浙教版九年级下册第二章直线与圆的位置关系单元测试数学试题2022年内蒙古呼伦贝尔市、兴安盟中考数学真题(已下线)专题3.55 圆中的相似问题(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)2023年浙江省杭州市中考模拟训练卷(已下线)黄金卷1-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(沈阳专用)(已下线)专题09 圆的相关计算问题-学易金卷:2023年中考数学一模试题分项汇编(浙江专用)(已下线)湖北省襄阳五中华侨城实验学校2023-2024学年九年级上学期数学周测(16)
22-23九年级·全国·单元测试
10 . 如图,
是
的外接圆,
为直径,
,
于
,
于
,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/60aa09f1-b35b-44e0-912b-e3ef02498335.png?resizew=204)
(1)判断
的形状;
(2)设
的半径为1,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d2eae98e1683fbb9533584450dd696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e07c059cf40ea7392999ef9b66b2335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8daff96303a07819bd4ee47731e73b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/60aa09f1-b35b-44e0-912b-e3ef02498335.png?resizew=204)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b0907dd4ca05c9733b23f552b5226f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210151fa0553c58334dcd0bbc4cd3e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e6e8bd97f118900bced60bff8a5d79.png)
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