How many longitudes are there?

A. 90 degrees

B. 180 degrees

C. 240 degrees

D. 360 degrees

ANSWER: 360 degrees

Lines of latitude are known as parallels and there are 180 degrees of latitude in total. The total number of latitudes is also 180; the total number of longitudes is 360.

 Since each degree is sliced into 60 minutes each, and each of those are sliced into 60 seconds, so we could say 648,000 seconds of latitude from pole to pole. But, this is mostly for measuring purposes. One degree of latitude is 111 km, so divide this by 60, and we get 1.85 km per minute, and divide by 60 again, and we get 0.0308 km per second. 

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