![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-03-23 17:17:19
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【知识点】 与方向角有关的计算题解读
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【推荐1】如图所示,射线OA所在方向是( )
![](https://img.xkw.com/dksih/QBM/2020/12/4/2607047946412032/2609018898669568/STEM/6573aa9118ec4159a2928f75b9793460.png?resizew=162)
![](https://img.xkw.com/dksih/QBM/2020/12/4/2607047946412032/2609018898669568/STEM/6573aa9118ec4159a2928f75b9793460.png?resizew=162)
A.北偏东60°21′ | B.北偏东29°39′ | C.东北方向 | D.以上答案都不对 |
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单选题
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容易
(0.94)
【推荐2】在灯塔P处观测到轮船A位于北偏西55°的方向,同时轮船B在南偏东15°的方向,那么∠AOB的大小为( )
![](https://img.xkw.com/dksih/QBM/2020/1/4/2369611734671360/2369975173021697/STEM/8d3a0a79b8fa46248e3d2687f075e0f1.png?resizew=97)
![](https://img.xkw.com/dksih/QBM/2020/1/4/2369611734671360/2369975173021697/STEM/8d3a0a79b8fa46248e3d2687f075e0f1.png?resizew=97)
A.100° | B.105° | C.125° | D.140° |
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