find distance between Naples, FL and equator, given

[humakhan]

The latitude of Naples, Florida is 34.5 degrees north of the equator. How far is it from Naples to the equator if the diameter of the earth is 7920?

so if diameter is 7920
radius is 3960

 

[arthur ohlsten]

circumference of the earth is 2 pi [3960] nautical miles

any great circle has a circumference of 2 pi [3960]nautical miles. Each great circle is 360 degrees. then 34.5* / 360* = x/7920 pi
x={ 7920[pi][34.5]}/360
x=2384.5 nautical miles

Arthur