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Question

If the side of a square are doubled, what is the ratio area of the area of the original square to that of the new square?

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Solution

If the length of a side of square is x then, Area=x2
If the length of a side of square is 2x then, New Area=2x×2x=4x2
Ratio=Original areaNew area=x24x2=14
therefore , the ratio is 1:4

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