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Geometry Level 1

In the above image, \(ABCD\) is a rectangle and \(EFCD\) is a parallelogram.

If \( AD : AB = 1 : 3 \), \( AE : EB = 1 : 3 \), and the area of \( ABCD \) is 10, what is the area of \( EFCD \)?

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