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有一多边形草坪,在市政建设设计图纸上的面积为300cm2,其中一条边的长度为5c...
有一多边形草坪,在市政建设设计图纸上的面积为300cm2,其中一条边的长度为5cm.经测量,这条边的实际长度为15m,则这块草坪的实际面积是( )
A.100m2
B.270m2
C.2700m2
D.90000m2
考点分析:
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