如图,二面角的度数为
,其棱上有两点
、
,线段
、
分别在这个二面角的两个面内,并且都垂直于棱
,若
,
,则线段
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0a722495dba6c151dba8bd0eb74cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/91a8eea2-d763-4809-8c95-36e75a199159.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
23-24高二上·山东济宁·期中 查看更多[5]
山东省济宁市兖州区2023-2024学年高二上学期期中考试数学试题(已下线)模块三 专题2 小题进阶提升(4) 期末终极研习室(高二人教A版)(已下线)专题03 空间向量数量积的应用(期末选择题3)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)(已下线)6.1 空间向量及其运算(5)辽宁省沈阳市新民市第一高级中学2023-2024学年高二下学期第一次月考数学试题
更新时间:2023-11-29 13:43:37
|
【知识点】 空间向量数量积的应用
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【推荐1】如图,在平行六面体
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【推荐2】三棱锥
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