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Mathematics 17 Online
OpenStudy (anonymous):

assuming the earth is a sphere of radius 6378 kilometers, what is the difference in the latitudes of Lynchburg, Virginia and Myrtle Beach, South Carolina, where Lynchburg is 400 kilometers due north of Myrtle Beach?

OpenStudy (tkhunny):

\(2\pi r = Circumference\) \(2\pi (6378 km) = Circumference = Complete\;Trip\;Around\) \(360º = Complete\;Trip\;Around.\) Well, then. What can we say about 400 miles around the Earth?

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