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jmc

algebra junior

Problem

The side length of square is 36 cm. The side length of square is 42 cm. What is the ratio of the area of square to the area of square ? Express your answer as a common fraction.
Solution
The ratio of their areas is going to be the ratio of their side lengths, but squared. The ratio of the side length of square A to that of B is . Thus, the ratio of their areas is .
Final answer
\frac{36}{49}