名校
解题方法
1 . 过点
且互相垂直的两直线与圆
分别相交于A、B和C、D,若
,则四边形ACBD的面积等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5c4be267ff45dd65de83b61b4df5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f95afa1f80ff3515db813e7be51db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495021c7da1c77e6ed1d1dd30e0be7bc.png)
您最近一年使用:0次
2 . 已知
分别是双曲线
的左、右焦点,过点
且垂直
轴的直线与
交于
两点,且
,若圆
与
的一条渐近线交于
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c7359da90cb534d1d2b8ac98b974cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bac4d3d2be66e9f25b59e3a94f235e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
您最近一年使用:0次
2024-02-20更新
|
684次组卷
|
7卷引用:甘肃省部分学校2024届高三下学期2月开学考试数学试题
甘肃省部分学校2024届高三下学期2月开学考试数学试题河南省九师联盟2024届高三上学期2月开学考试数学试卷内蒙古自治区赤峰市松山外国语学校2024届高三下学期开学考试数学(理)试题(已下线)第2套 复盘提升卷(模块二 2月开学)上海市金山中学2023-2024学年高二下学期3月月考数学试卷河南省信阳市新县高级中学2024届高三适应性考试(七)数学试题(已下线)专题02 圆锥曲线--高二期末考点大串讲(沪教版2020选修)
3 . 已知直线
(
为常数)与圆
交于点
,当
变化时,若
的最小值为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb40dae2b0f4048d3fabff25e6cbe443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-01-09更新
|
259次组卷
|
2卷引用:甘肃省武威市第八中学2023-2024学年高二上学期期末数学试题
名校
解题方法
4 . 已知直线l:
与
:
交于A,B两点,写出满足“
为直角三角形”的一个圆心C的坐标______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e259a6ab0f6264e7e75e8df3d5c5a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9309c1f0ccddb47fc8a75ef2e29bea76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
您最近一年使用:0次
2023-11-07更新
|
195次组卷
|
3卷引用:甘肃省兰州市第六十一中学(兰化一中)2024届高三上学期期末数学试题
5 . 已知直线
与圆
交于A,
两点,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d356ae2dc1e88d1981bb3f011352d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9170cbf2d93bbd719c176ecf254e848e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2023-11-06更新
|
465次组卷
|
2卷引用:甘肃省甘南藏族自治州卓尼县柳林中学2023-2024学年高二上学期期中数学试题
6 . 已知直线l:
被圆C:
所截得的弦长为整数,则满足条件的直线l有______________ 条.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8f50bedc3080565e6f0bc3b2507f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dccc00e1189661dbcfd1656d49362b.png)
您最近一年使用:0次
7 . 圆心为
,半径为
的圆在x轴上截得的弦长等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca280ccbf4426a4e3837e03ac8791d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
您最近一年使用:0次
2023-01-30更新
|
450次组卷
|
2卷引用:甘肃省武威市凉州区2022-2023学年高二下学期第一次学业水平检测数学试题
名校
解题方法
8 . 已知椭圆
:
和双曲线
:
,若
的一条渐近线被圆
截得的弦长为
,则椭圆
的离心率e为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550d183b05000722c74baf25eb4a6741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
2022-12-26更新
|
636次组卷
|
3卷引用:甘肃省张掖市某重点校2022-2023学年高二下学期开校检测数学试题
9 . 圆
与直线
相交的弦长为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9e6796f834bd176928b408a6c43c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61071a8c6732087b6d2757d39133d03c.png)
您最近一年使用:0次
10 . “康威圆定理”是英国数学家约翰·威廉引以为豪的研究成果之一,定理的内容如下:如图,
的三条边长分别为
,
,
.延长线段
至点
,使得
,延长线段
至点
,使得
,以此类推得到点
,
,
,
,那么这六个点共圆,这个圆称为康威圆.已知
,
,
,则由
生成的康威圆的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef5fcdbfc6293db5e91e6f1bcb46e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fefc41ca7ac455b9212f03322474591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c3fa6a68a9ffe7568996974b592f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4c6c5446384bcc1306c342334c317f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b3edb5d3ae89120085259d53265ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a688b51f4862f610d3064199aeb336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1659bc969a9689f94a1d5a567fb29394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/10/78cdf7d8-a1fb-4a13-82e7-f171a0df28d4.png?resizew=175)
您最近一年使用:0次
2022-09-09更新
|
689次组卷
|
6卷引用:甘肃省白银市靖远县2022-2023学年高三上学期开学考试数学(理)试题