直线
被圆
截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765702a050bbc9daedbb766db8c31558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8b1b4bb467c14416d733e22f8fe2ce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-22 16:23:32
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相似题推荐
单选题
|
较易
(0.85)
解题方法
【推荐1】直线
与圆
交于A,B两点,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874188b1ad1af65fe2951e3a0c1c0e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321515ad8df36eb093ec9352c25d1fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
【推荐2】已知斜率为
的直线l被圆
截得的弦长为
,则直线l的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97d9a51394b190f99b75bd277178ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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【推荐1】过点
作圆
的两条切线,切点分别为
和
,则弦长
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f941f526d5ed062a5679f7c5fe9315ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知直线
与圆
相交于A,B两点,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d097f24a0a51d7ff0daec5263909bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb95724e46951b22aefbbff99876109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.26 | B.18 | C.14 | D.13 |
您最近一年使用:0次