名校
1 . 已知平面
满足
,且
不垂直,直线
,那么下列命题中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
A.对任意直线![]() ![]() | B.存在直线![]() ![]() |
C.存在直线![]() ![]() | D.m与平面![]() |
您最近一年使用:0次
2021-11-13更新
|
278次组卷
|
3卷引用:四川省通江中学2021-2022学年高二下学期入学考试文科数学试题
2021高三·全国·专题练习
解题方法
2 . 一种特殊的四面体叫做“鳖臑”,它的四个面均为直角三角形.如图,在四面体P
ABC中,设E,F分别是PB,PC上的点,连接AE,AF,EF(此外不再增加任何连线),则图中直角三角形最多有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/bff61f8d-6c86-427e-81a7-33b6fe162c54.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/bff61f8d-6c86-427e-81a7-33b6fe162c54.png?resizew=134)
A.6个 | B.8个 |
C.10个 | D.12个 |
您最近一年使用:0次
20-21高一·全国·课后作业
3 . 已知平面
平面
,
,
,且直线
与
不平行.记平面
、
的距离为
,直线
、
的距离为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60be170a52db82cf37b30db0cde26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次