DK-GEORGMOHR 2012 Problem 2
It is known about a given rectangle that it can be divided into nine squares which are situated relative to each other as shown. The black rectangle has side length . Are there more than one possibility for the side lengths of the rectangle?
Dataset text AI-MO AoPS. Quoted with source.
Official text: Georg Mohr Contest 2012 official paper, page 1.
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