单选题 适中0.64 引用1 组卷446
在
中,
,
,
,
边上的高线为
,点
位于线段
上,若
,则向量
在向量
上的投影为
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/4200ce78bb754641a1699d6691b187ba.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/4525ab70fe7945868c930f32948648f4.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/b4fdda52cd91488695d7d3f4af3b2749.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/082b4449ecfe4d7ab65520ea16091feb.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/d21cd93e2f014b8389327bbd2beaddc5.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/482765827bc948fa8a86b11f80f42952.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/a6d107352a694d5d92cf5d3a651ef16a.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/482765827bc948fa8a86b11f80f42952.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/b359ff1427314935ae26a928e6426756.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/79886ceda6c84772b932efdf5fee3269.png)
![](https://img.xkw.com/dksih/QBM/2016/11/25/1573179582693376/1573179588722688/STEM/67ac361b1b2e410a883113540558001b.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
16-17高三上·山西临汾·阶段练习
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A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
组卷网是一个信息分享及获取的平台,不能确保所有知识产权权属清晰,如您发现相关试题侵犯您的合法权益,请联系组卷网