名校
1 . 已知圆
,圆
.
(1)证明:圆
与圆
相交,并求出圆
与圆
的公共弦所在直线l的方程;
(2)过直线l上一点
作圆
的切线,切点分别为A,B,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5875b556a79d46ef314070ae105afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be5a480e416d8596ff58b076f7939b4.png)
(1)证明:圆
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过直线l上一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d03e2331d9ecda656b2817ca6beef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493e2a7a79cdd2c6cec58e1d8ce1856c.png)
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2021-11-23更新
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407次组卷
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3卷引用:山东省烟台市2021-2022学年高二上学期期中数学试题