问题描述：
问道GRE
For a project,a square piece of cloth is folded in half and swed together to form a rectangle that has a perimeter of 36 centimeters.what was the area in square centimenters of the piece of cloth before it was folded.
这个题我得出的答案是48,正确的答案是144,
For a project,a square piece of cloth is folded in half and swed together to form a rectangle that has a perimeter of 36 centimeters.what was the area in square centimenters of the piece of cloth before it was folded.
这个题我得出的答案是48,正确的答案是144,
问题解答：
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