1 . 已知正方体
的棱长为1,点
为侧面
内一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2022-12-24更新
|
511次组卷
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3卷引用:云南省曲靖市第二中学学联体2023届高三上学期第一次联考数学试题
云南省曲靖市第二中学学联体2023届高三上学期第一次联考数学试题(已下线)专题07 立体几何小题常考全归类(精讲精练)-3江苏省盐城市滨海县部分学校联考2022-2023学年高二下学期5月第二次月考数学试题
解题方法
2 . 如图,正方体
中,
分别是棱
的中点,则( )
![](https://img.xkw.com/dksih/QBM/2022/7/9/3018826132119552/3020860072591360/STEM/ff2ca64e54d046779a76107132646424.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db96f4abe454294566582b05f82b7961.png)
![](https://img.xkw.com/dksih/QBM/2022/7/9/3018826132119552/3020860072591360/STEM/ff2ca64e54d046779a76107132646424.png?resizew=200)
A.![]() | B.![]() ![]() ![]() |
C.平面![]() ![]() | D.![]() |
您最近一年使用:0次
名校
3 . 如图,已知二面角
的棱上有不同两点
和
,若
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.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/bccef8ed8c9233cf5b532edca6103503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e9acf84f5b8dad7be952546b20a154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca773f62b64bef9e2a2befe436a5dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ee0ddf2508e7f07ffbe5635033c931.png)
A.直线![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若二面角![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-05-27更新
|
1933次组卷
|
5卷引用:云南省昆明市第一中学2022-2023学年高二上学期期中考试数学试题