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如图,梯形护坡石坝的斜坡AB的坡度i=1:3,坡高BC为2米,则斜坡AB的长是(...
如图,梯形护坡石坝的斜坡AB的坡度i=1:3,坡高BC为2米,则斜坡AB的长是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656009_ST/images0.png)
A.2
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656009_ST/0.png)
米
B.2
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656009_ST/1.png)
米
C.4
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103101408136165651/SYS201311031014081361656009_ST/2.png)
米
D.6米
考点分析:
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