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问答题
A rectangle is equal in area to a square with sides of length 12. Is the diagonal of the rectangle greater in length than 20?  (1) The rectangle has a length of 16.  (2) The rectangle has a width of 9.

参考答案

参考解析
解析:
通过计算可知,若长方形长为16或宽为9,面积为144,其对角线长度均小于20,故本题选D项。
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