1 . 已知点
和
:
,过P点的两条直线分别与
相切于A,B两点.则以下命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e262b7599fda82ae392ac10df97feff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52bba9798c625c7cd778636bceea32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f8ebed1c19f199dc9165162dc5d3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52bba9798c625c7cd778636bceea32.png)
A.![]() |
B.![]() |
C.P、A、Q、B均在圆![]() |
D.A,B所在直线方程为![]() |
您最近一年使用:0次
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解题方法
2 . 已知圆
:
,
为圆
上任意一点,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67529d28104250378277eafe95446861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5a6145990adf5574f0e0f2fc828ea4.png)
A.![]() |
B.直线![]() ![]() ![]() ![]() ![]() ![]() |
C.![]() |
D.圆![]() ![]() |
您最近一年使用:0次
2023-08-06更新
|
827次组卷
|
3卷引用:湖北省襄阳市第五中学2024届高三下学期开学考试数学试题