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carlitos

One can stare at the orange and green arcs for however long, but can one tell the orange is shorter than the green by 3.3 million?

One can stare at the orange and green arcs for a few seconds, and realize that the data is represented by the areas and not by the arc lenghts (if it was the case, the radius of the orange circle would be around two thirds of the green one). The radius of the yellow circle (31) is about twice the radius of the orange one (7.7), and the value represented is about four times as big (7.7*4=30.8).

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