该题是云南教育出版社出版的那本蓝皮书《商学院入学考试指导【上】》第152页的第126题。
In the figure above, two rectangles with the same dimensions overlap to form the shaded region. If each rectangle has perimeter 12 and the shaded region has perimeter 3, what is the total length of the heavy line segments?
(A) 15 (B) 18 (C) 21 (D) 22 (E) 23
题目不会做的原因是不明白 heavy line segments 指的是哪些线段。还望明白的大虾多多指点。
[此贴子已经被作者于2008-10-18 20:02:25编辑过] |