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Apr 02, 2013 · What is the area of a circle with a diameter that is 20 inches ... d = 20 inches r = d/2 = 20/2 = 10 inches Area ... with a diameter that is 20 inches long? - read more

Area of a circle is ... We know from the last lesson that the diameter of a circle is twice as long ... The diameter of a bicycle wheel is 20 inches. What is the area ... - read more

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