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如图,丁轩同学在晚上由路灯AC走向路灯BD,当他走到点P时,发现身后他影子的顶部...
如图,丁轩同学在晚上由路灯AC走向路灯BD,当他走到点P时,发现身后他影子的顶部刚好接触到路灯AC的底部,当他向前再步行20m到达Q点时,发现身前他影子的顶部刚好接触到路灯BD的底部,已知丁轩同学的身高是1.5m,两个路灯的高度都是9m,则两路灯之间的距离是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101323613225951/SYS201311031013236132259012_ST/images0.png)
A.24m
B.25m
C.28m
D.30m
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