1 . 如图,半径为1的圆M与直线l相切于点A,圆M沿着直线l滚动.当圆M滚动到圆
时,圆
与直线
相切于点B,点A运动到点
,线段AB的长度为
则点
到直线
的距离为( )
![](https://img.xkw.com/dksih/QBM/2020/5/9/2458897091551232/2459212237234176/STEM/0bf4336c838f4a2a8f0af6bba16b4e32.png?resizew=276)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f1b079568e8621d838d39d0b84e287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12daf5fea89631b84f896939c503d88a.png)
![](https://img.xkw.com/dksih/QBM/2020/5/9/2458897091551232/2459212237234176/STEM/0bf4336c838f4a2a8f0af6bba16b4e32.png?resizew=276)
A.1 | B.![]() | C.![]() | D.![]() |
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2020-05-09更新
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4卷引用:2020届北京市海淀区高三一模数学试题
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