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如图,从热气球C上测定建筑物A、B底部的俯角分别为30°和60°,如果这时气球的...
如图,从热气球C上测定建筑物A、B底部的俯角分别为30°和60°,如果这时气球的高度CD为150米,且点A、D、B在同一直线上,建筑物A、B间的距离为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656013_ST/images0.png)
A.150
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656013_ST/0.png)
米
B.180
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656013_ST/1.png)
米
C.200
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656013_ST/2.png)
米
D.220
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656013_ST/3.png)
米
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