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The ratio of the areas of two similar polygons is 400:25. What is the ratio of their corresponding sides?
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Let's suppose that the polygons are both squares (we could take anything, but it'll be easier to get it with squares). The area of the smallest of the 2 is 25x which means that the bigger one is of 400x. Now, the area of a square is s^2 (where s is a side). So, we have this then : |dw:1339166516887:dw| So far so good?
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