解题方法
1 . 若将正方形
沿对角线
折成直二面角,则下列结论错误的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
A.![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
A.![]() ![]() ![]() |
B.平面![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |