A wire 12 inches long is cut into two, one part is bent in the form of a circle, and the other into the shape of an equilateral triangle. If we let x be a side of the equilateral triangle, and the sum of the areas of these figures is to be a minimum, what are the lengths of the circle and equilateral triangle respectively ? (A) 3 inches, 9 inches B none of the choices 3.5 inches, 8.5 inches 7.5 inches, 4.5 inches 45 iuehas 7 5 inchas

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