解题方法
1 . 正方体
中,
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3a524b4bbbe627d6f8c6e8421c9402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
A.直线![]() ![]() | B.![]() ![]() ![]() |
C.点B到直线![]() ![]() | D.平面![]() ![]() ![]() |
您最近一年使用:0次
2 . 在直三棱柱
中,
,
,
.
![](https://img.xkw.com/dksih/QBM/2019/6/25/2233082990845952/2233117772201984/STEM/88ea31a43ea94ddd8af11f633fb2e4c9.png?resizew=121)
(1)求异面直线
与
所成角的大小;
(2)求直线
与平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fd676c41d2d644928f014b0fea4689.png)
![](https://img.xkw.com/dksih/QBM/2019/6/25/2233082990845952/2233117772201984/STEM/88ea31a43ea94ddd8af11f633fb2e4c9.png?resizew=121)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
您最近一年使用:0次
2018-08-02更新
|
1665次组卷
|
9卷引用:2013-2014学年山西大学附中高二第二学期月考文科数学试卷