In the diagram, and are congruent squares. The sides and are parallel. The shaded area is equal to 1 .
What is the area of square ?
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1 \text{ cm}^2
2 \text{ cm}^2
\frac{1}{2} \text{ cm}^2
1\frac{1}{2} \text{ cm}^2
\frac{3}{4} \text{ cm}^2
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Junior Kangaroo 2017 (2017)
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