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08-09-2014
Mathematics

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Find the length of a degree on the equator, considering the diameter of the equator to be 7912 miles

Respuesta :

08-09-2014

If the equator is a perfect circle and its diameter is 7,912 miles, then
its circumference is 7,912 (pi) miles.

We call a circle 360 degrees. So the length of one degree on the equator is

(7,912 pi) / 360 = 69.045... miles (rounded)

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