A rectangular floor with an area of 12 square meters is drawn to scale with 2 centimeters representing 1 meter. Column A

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问题 A rectangular floor with an area of 12 square meters is drawn to scale with 2 centimeters representing 1 meter.

Column A                                            Column B
The area of the scale drawing of the floor          24 square centimeters

选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given

答案A

解析 按比例绘制面积为12平方米的长方形地板,以2厘米代表1米。按比例尺绘制的地板面积24平方厘米(square centimeter)
解:本题的正确答案为(A)。设地板长为l米,宽为w米,绘成图后,图的长为2l厘米,宽为2叫厘米。由题干给出条件可知,lw=12,绘制后的面积=2l×2w=4lw=48平方厘米>24平方厘米。
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本试题收录于: GRE QUANTITATIVE题库GRE分类
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