Question

The ratio of the side lengths of Rectangle A to Rectangle B is 3 to 7. What is the

ratio of their areas?

Answer 1

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Answer:

9 : 49

Explanation:

Assuming the rectangles are similar, the ratio of their areas is the square of the ratio of their side lengths.

sides ratio = 3 : 7

areas ratio = 3² : 7² = 9 : 49