The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?

The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?
1). $\frac{11}{7}$
2). $\frac{7}{9}$
3). $\frac{7}{11}$
4). $\frac{9}{7}$

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