1 . 已知
,
,
是圆
的三条不同的切线,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585033e0bb1bbad7c012172c1d5f7265.png)
A.![]() ![]() ![]() |
B.由![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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2023-11-15更新
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2卷引用:辽宁部分学校2023-2024学年高三上学期期中大联考数学试题