如图,在
中,
,
,
,则
的长度是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/e18c67d1-8ce2-4295-83c7-0ee06a940095.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534f33cc16d82470cbff68beffead264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e2a96ad10f818c9a5ad7ef46a304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/e18c67d1-8ce2-4295-83c7-0ee06a940095.png?resizew=124)
A.2 | B.![]() | C.![]() | D.![]() |
更新时间:2024-01-06 12:52:10
|
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单选题
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【推荐1】如图是一架人字梯,已知
,
与地面
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/261c7904-8362-4e27-8d1a-4addad81ccbb.png?resizew=130)
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A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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较易
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【推荐2】在Rt△ABC中,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdabf82afdf39eb51a09420751afb334.png)
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A.AB·sinA | B.AB·cosA | C.![]() | D.![]() |
您最近一年使用:0次