名校
1 . 若
是直线
上一动点,过
作圆
的两条切线,切点分别为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dca9de8b8c9c58f8f85f15bf66ec45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.3 | C.![]() | D.2 |
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解题方法
2 . 设点F为椭圆
的右焦点,点M是圆
上的动点(y轴右侧),过点M作圆O的切线,交椭圆于A,B两点,若
的周长为
,则椭圆E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fe570ddd875c9158a41091a84b485b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知双曲线
的左右焦点为
,P为右支上除顶点外的任意一点,圆I为
的内切圆,且与x轴切于A点,过
作
,垂足为B,若
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc06e2c4d7cda745dc978d38f4fd0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62301a8407543496da517f159ab91b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f27997d3996f5c68f11717f06b90c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
A.![]() | B.![]() | C.9 | D.2 |
您最近一年使用:0次
2023-02-23更新
|
478次组卷
|
3卷引用:辽宁省葫芦岛市2022-2023学年高二上学期期末数学试题
辽宁省葫芦岛市2022-2023学年高二上学期期末数学试题江西省宜春市宜丰县宜丰中学创新部2022-2023学年高二下学期第一次月考数学试题(已下线)考点20 常用的二级结论的应用 2024届高考数学考点总动员
4 . 平面直角坐标系xOy中,P为圆C1:上的动点,过点P引圆
:
的切线,切点为T,则满足
的点P有( )
A.4个 | B.3个 | C.2个 | D.1个 |
您最近一年使用:0次
2023-02-12更新
|
401次组卷
|
7卷引用:江苏省南京市2021-2022学年高二上学期期中数学试题
江苏省南京市2021-2022学年高二上学期期中数学试题江苏省南京市江浦高级中学2022-2023学年高二上学期10月阶段检测数学试题江苏省仪征市精诚高级中学2022-2023学年高二上学期期中模拟考试数学试题重庆市永川北山中学校2022-2023学年高二上学期期末数学试题江苏省盐城市射阳中学2023-2024学年高二上学期10月月考数学试题(已下线)专题18 圆与圆的位置关系5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)(已下线)专题2.3 圆与圆的位置关系(2个考点六大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)
5 . 已知圆C1:
和圆
,点P为
上任意一点,过P作
的两条切线,连接两个切点的线段称为圆
的切点弦,则在圆
内不与切点弦相交的区域的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19061855362b3ed1c11cd2d5765ff39f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042440ec7df5519adecf4f03077a4964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 以下四个命题表述正确的是( )
A.直线![]() ![]() |
B.两圆![]() ![]() ![]() |
C.已知圆![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.圆![]() ![]() ![]() ![]() |
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名校
7 . 已知圆
,直线
,
为直线
上的动点,过点
作圆
的切线
,
,切点为
,
,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23315d178df541625d68cee9df0f2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ce6e716f2a085b503b1ba7c8fc00cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/d8c2de12734293bb0874191b6b932292.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次
8 . 已知
是直线
上任意一点,过点
作两条直线与圆
相切,切点分别为
、
.则四边形
面积最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78014ed485d111d57dc2b04e476a2b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed8a5cd9b5ea3091cc91bb5f7f8c88.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/283b0cef5d644b8dceb910ce2c76f21c.png)
A.![]() | B.![]() | C.![]() | D.28 |
您最近一年使用:0次
9 . 已知点
是直线
上一动点,
是圆
的两条切线,
是切点,若四边形
的最小面积是2,求实数
的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffd39a8a74631ffce2b40a9ecba1e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df8904b700810cfd3519798668aa35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425209ad4b273bf3eee80441e06030c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283b0cef5d644b8dceb910ce2c76f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.2 | D.3 |
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解题方法
10 . 已知
,点A为直线
上的动点,过点
作直线与
相切于点
,若
,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1039d72923a3259085fc9871093def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42502a5730e1930d77d7100d1e34707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23728b4c0467a27d90f71b424f6a946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0919f9ea62f63cfc0d6bcd7736ec5480.png)
A.![]() | B.![]() | C.![]() | D.4 |
您最近一年使用:0次