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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Solution:

S1=a2 S2=(2.5a)2=2.52S1=6.25S1S_1 = a^2 \ \\ S_2 = (2.5a)^2 = 2.5^2 S_1 = 6.25 S_1

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