Nautical Miles A nautical mile equals the length of arc
Chapter 7, Problem 114(choose chapter or problem)
Nautical Miles A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. See the figure. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.
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