Similarity of squares

The ratio of the similarity of the squares ABCD and KLMN is 2.5. Square KLMN area is greater than area of a square ABCD with side a:

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S_1 = a**2 ; ; S_2 = (2.5a)**2 = 2.5**2 S_1 = 6.25 S_1 ; ;

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