名校
1 . 已知点
为圆
:
上的动点,点
的坐标为
,
,设
点的轨迹为曲线
,
为坐标原点,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2affa2f968907083e02d6bf0338607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4347684056c1a63b9f0116e428a8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() |
B.曲线![]() ![]() |
C.圆![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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2024-04-13更新
|
856次组卷
|
2卷引用:山东省齐鲁名校联盟2023-2024学年高三第七次联考数学试题
名校
2 . 月球背面指月球的背面,从地球上始终不能完全看见.某学习小组通过单光源实验来演示月球背面.由光源点
射出的两条光线与
分别相切于点
、
,称两射线
、
上切点上方部分的射线与优弧
上方所夹的平面区域(含边界)为圆
的“背面”.若以点
为圆心,
为半径的圆处于
的“背面”,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a23e87d16c32b5aa4357f481b5808a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4abd405a5d38d011c3f8c62ea4940b18.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f74b9301db837938ac526d55005144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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2023-09-26更新
|
628次组卷
|
9卷引用:江西省红色十校2024届高三上学期9月联考数学试题
江西省红色十校2024届高三上学期9月联考数学试题(已下线)考点06 相切的位置关系(直线与圆,圆与圆) 2024届高考数学考点总动员(已下线)模块二 专题2《直线和圆的方程》单元检测篇 B提升卷 (人教A)福建省福州延安中学2023-2024学年高二上学期期中质量检测数学试题(已下线)模块一 专题3《直线和圆》单元检测篇 B提升卷 期末终极研习室(高二人教A版)陕西省商洛市2024届高三上学期尖子生学情诊断考试数学(文科)试题(已下线)广东省深圳市盐田高级中学2023-2024学年高二上学期期末数学试题山西省2024届高三上学期优生联考数学试题重庆市万州区万州第三中学2023-2024学年高二下学期入学考试数学试题
名校
3 . 已知圆
,点
在圆
上,过
可作
的两条切线,记切点分别为
,
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edf67c2e68042e26faefd72455386c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ac72a8d5a7c6e52dcab76cb9ea6074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.若存在![]() ![]() ![]() ![]() |
D.若存在![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
4 . 已知圆
(
为坐标原点),圆
的圆心为点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8365d7c7c74eed93f5b9461ce31870f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.圆![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
5 . 已知⨀
:
,⨀
:
,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3184a98a1894ed42c97ee6131695ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2519b1432a93205dfabb0a12b3bb43a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d35387a8d80d5f4654923336ccb65b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90295576220b73c8dc06d35a5e61967e.png)
A.若![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.若⨀![]() ![]() ![]() |
您最近一年使用:0次
解题方法
6 . 著名数学家笛卡儿曾经给出一个四圆相切的定理:半径分别为
的三个圆两两外切,同时又都与半径为
的圆外切,则
.已知
,
,若圆
两两外切,且都与圆
外切,其中圆
的半径相等,则圆
的标准方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b173912587a30335ccfb696631c95c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4804e9b295d3b8de7f05e9c4e8e30a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f08826edf74138582bd03a554502de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319cd1174ef92bda4113af01f0655944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19974eda3d1bc5ff30f65616fe2e7ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fd4dfee3258dc4e386330bac4ef0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8942e253abf1f64b09fa7d83b9e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096cd7bd8a5a2219fd7dd166bbb8460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8942e253abf1f64b09fa7d83b9e77.png)
您最近一年使用:0次
解题方法
7 . 在如图所示的直角坐标系中,五个大小相同的圆环排成两排从左到右环环相扣,若每个圆环的大圆半径为1.2,小圆半径为1,其中圆心
在
轴上,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385361b64abe274f8f78a1145a8a4441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,
,圆
与圆
关于
轴对称,直线
之间的距离为1.1,则给出的结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2955447b9fc1f3d60fbe684b0d4cae23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385361b64abe274f8f78a1145a8a4441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37103a7f790a8e15999663b11022e0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5915ba0548ef452de490609d3f0b87b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8942e253abf1f64b09fa7d83b9e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbdfb7d0bb46a72b028c56f372c647d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/046f57df-5b51-4960-aaa3-308c822cf604.png?resizew=257)
A.设![]() ![]() |
B.小圆![]() ![]() |
C.图中五个圆环覆盖的区域的面积为![]() |
D.小圆![]() ![]() ![]() |
您最近一年使用:0次
8 . 设点A在圆O:
上,点B在圆C:
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fa9a65310284f284b6b067a2df301c.png)
A.圆O与圆C外切 |
B.存在点A,B,![]() |
C.存在点A,B,![]() |
D.当直线AB与圆C相切时,![]() ![]() |
您最近一年使用:0次
9 . 已知圆
与圆
的公共弦长为
,直线
与圆
相切于点
为
上一点,且满足
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be304884a8747bb5157e2ea5779b7b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de819bcd211b3b35a6d831b208cc52a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffbc423070f5d7ce2c72229066ee1cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693b68cb9b3e51a91e877bc0ef4d8c84.png)
A.![]() |
B.点![]() ![]() |
C.直线![]() ![]() ![]() |
D.设圆![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-12-19更新
|
499次组卷
|
4卷引用:河北省沧州市泊头市2024届高三上学期12月联考数学试题
解题方法
10 . 已知圆
内有一点
,过点
的直线
与圆
交于
两点,过
分别作圆
的切线
,且
相交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9deb20b57fe0b94ca8520b55298d6c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.当![]() ![]() ![]() ![]() |
B.点![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次