The diameter of the Earth is approximately 7920 miles. Given that the circumference of a circle is _ times its diameter, which statemnt best describles the length of a trip from Washington to Madagascar that is approximately 8600 miles long?

Your question is lacking the statements. However, I can guess the question is asking how far is 8600 miles in relation to the circumference. What is PI*diameter?

One knows that there are 360 degrees in the circle, so to Madagascar it must be near 360*8600/(PI*diameter) degrees,

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