2. 职称英语
  3. [img]ct_gre5image006[/img]The rectangular rug shown in the figure above has a f

[img]ct_gre5image006[/img]The rectangular rug shown in the figure above has a f

游客2024-01-12  31
问题
The rectangular rug shown in the figure above has a floral border 1 foot wide on all sides. What is the area, in square feet, of that portion of the rug that excludes the border?
选项 A、28
B、40
C、45
D、48
E、53
答案 A
解析 左图所示的长方形地毯在各边均有1英尺宽的花边。以平方英尺为单位，地毯的非花边部分的面积是多少?
解：本题的正确答案为(A)。由花边宽1英尺可知，这块地毯去除花边后，长和宽分别为7英尺和4英尺，所以其面积=7×4=28平方英尺。
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