题目内容
如图,菱形ABCD的对角线AC=4cm,把它沿着对角线AC方向平移1cm,得到菱形EFGH,则图中阴影部分图形的面积与四边形EMCN的面积之比为········································································· ( )
A.4∶3 B.3∶2 C.14∶9 D.17∶9
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C
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