The areas of two similar polygons are 9 cm 2 and 16 cm 2. What is the similarity coefficient?

The squared coefficient of similarity of similar polygons is equal to the ratio of the areas of these polygons.

In the problem statement, the areas of these polygons are 9 cm2 and 16 cm2.

So:

k ^ 2 = 9: 16, that is, k = 3: 4

Converting to the 10th fraction, we get k = 0.75

Answer: 0.75.



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