如图,已知点C与某建筑物底端B相距220米(点C与点B在同一水平面上),某同学从点C出发,沿同一剖面的斜坡CD行走130米至坡顶D处,斜坡CD的坡度(或坡比)i=1:2.4,在D处测得该建筑物顶端A的俯视角为20°,则建筑物AB的高度约为(精确到1米,参考数据:sin20°≈0.342,cos20°≈0.940,tan20°≈0.364)( )
![](https://img.xkw.com/dksih/QBM/2021/5/10/2717976611766272/2784771973144576/STEM/6df09adc-7171-4deb-90a0-e19a3414a8ab.png?resizew=223)
![](https://img.xkw.com/dksih/QBM/2021/5/10/2717976611766272/2784771973144576/STEM/6df09adc-7171-4deb-90a0-e19a3414a8ab.png?resizew=223)
A.13米 | B.14米 | C.36米 | D.37米 |
更新时间:2021-08-12 20:55:59
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