Which of the following image does not represents the perfect rectangle of the number 12?
A
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B
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C
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D
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Solution
The correct option is A Factors of 12: 1, 2, 3, 4 , 6 , 12 ∴1×12=12
As there are 12 rectangles , it represent the perfect rectangle of dimensions of 12×1
As there are 12 rectangles , it represent the perfect rectangle of dimensions of 3×4
As there are 12 rectangles , it represent the perfect rectangle of dimensions of 6×2
It does not represent perfect rectangle of 12 beacuse it does not have proper dimension . 7×2 = 14