如图,在长为6,宽为4的长方形内任取一点,使它到四个顶点的距离均不小于2的概率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/5623c9fc-74f6-425f-a191-e3403739083d.png?resizew=197)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/5623c9fc-74f6-425f-a191-e3403739083d.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
2022·陕西渭南·一模 查看更多[2]
更新时间:2022-12-06 08:54:35
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【推荐1】在
内部任取一点
,使得
的面积与
的面积的比值大于
的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07f8a6cee7d61f28406578fdc46ff0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】如图,在正方形
内有一等腰三角形
,向该正方形内随机扔一粒豆子,则所扔的豆子落在三角形
内部的概率为( )
![](https://img.xkw.com/dksih/QBM/2010/7/4/1569779137208320/1569779142328320/STEM/f8984422a31144cca4e852d175b460b9.png?resizew=100)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62871bb0dff211fc3bd80f9066c25b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62871bb0dff211fc3bd80f9066c25b29.png)
![](https://img.xkw.com/dksih/QBM/2010/7/4/1569779137208320/1569779142328320/STEM/f8984422a31144cca4e852d175b460b9.png?resizew=100)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次