SOLUTION: The ratio of the lengths of corresponding sides of two similar polygons is 3:7. What is the ratio of their areas?

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Question 38443: The ratio of the lengths of corresponding sides of two similar polygons is 3:7. What is the ratio of their areas?
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
Since area is a "square" phenomenon, the ratio of the areas is the square of the ratio of the sides (as long as the polygons are similar), so
(3/7)^2 = 9/49