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December 20, 2014

December 20, 2014

Posted by **Sachiyo** on Tuesday, January 24, 2012 at 9:30pm.

- trig -
**Steve**, Wednesday, January 25, 2012 at 12:54pmarc length s = rθ

300 = 4000θ

3/40 = θ

that is in radians

In degrees, that's 180/pi * 3/40 = 4.3°

Check: a nautical mile is 1' of latitude, = 1.15 miles.

4.3° * 60'/° * 1.15mi/' =~ 300 mi

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