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在长为12cm的线段AB上任取一点C.现作一矩形,邻边长分别等于线段AC,CB的...
在长为12cm的线段AB上任取一点C.现作一矩形,邻边长分别等于线段AC,CB的长,则该矩形面积大于20cm
2的概率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102407953770381/SYS201311031024079537703006_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102407953770381/SYS201311031024079537703006_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102407953770381/SYS201311031024079537703006_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102407953770381/SYS201311031024079537703006_ST/3.png)
考点分析:
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