1 . 如图,设
,
两点在河的两岸,一测量者在
的同侧河岸选定一点
,测出
的距离为
米,
,
,则
,
两点间的距离为( )
![](https://img.xkw.com/dksih/QBM/2017/11/16/1818333004242944/1818958866866176/STEM/7df5e87e-be83-4d60-bd73-c4b51e158c7f.png?resizew=166)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6f1af4b44b2e97e8f319bab4ae9010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4c0122aeefeaf1b75ce0b7062216df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c470828d00e7d61f88cd725462b0c7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2017/11/16/1818333004242944/1818958866866176/STEM/7df5e87e-be83-4d60-bd73-c4b51e158c7f.png?resizew=166)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-11-17更新
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5卷引用:重庆市合川区2020-2021学年高一下学期3月月考数学试题
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