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Math problem: The diameter of a foldable round table is 1.2 meters, and it becomes a square after folding. What is the area of the folding round table?
Two mutually perpendicular diameters form a circle, and the endpoints of the two diameters are connected to form a square.

Area of a square = product of diagonal lines

∴ area after folding =? × 1.2× 1.2=0.72m?