如图所示,为了测量垂直于水平地面的某建筑物
的高度,测量人员在该建筑物附近C处,测得建筑物顶端A处的仰角为
,随后沿直线
向前走了60米后到达D处,在D处测得A处的仰角为
,则建筑物
的高度约为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/4191f564-d550-4d8f-84c5-5a8563edfc3f.png?resizew=232)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/4191f564-d550-4d8f-84c5-5a8563edfc3f.png?resizew=232)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-05-11 15:43:23
|
【知识点】 仰角俯角问题(解直角三角形的应用)
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