如图,在
中,
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/ba35db45-bd54-4687-a9f3-17ea7258bd49.png?resizew=117)
A.1 | B.2 | C.3 | D.8 |
更新时间:2023-11-18 08:41:44
|
【知识点】 含30度角的直角三角形解读
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【推荐1】如图是某商场一楼与二楼之间的手扶电梯示意图.其中
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