2020高二·浙江·专题练习
名校
1 . 将
,边长为1的菱形
沿对角线
折成二面角
,若
,则折后两条对角线之间的距离的最值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32436704a722d5e568ff5c175bf3c662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ccb0814f546091c7838e356b60b57e.png)
A.最小值为![]() ![]() |
B.最小值为![]() ![]() |
C.最小值为![]() ![]() |
D.最小值为![]() ![]() |
您最近一年使用:0次
2020-01-04更新
|
427次组卷
|
4卷引用:【新东方】杭州高二数学试卷245