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Why is the distance on a map showing 1 degree of longitude smaller than 1 degree of latitude yet both represent the same angle?
Wiki User
∙ 14y ago
The lines of latitude represent degrees of arc being 111 kilometers per degree on the Earths surface. (111111.111 meters). That is how the meter was defined.
Lines of longutude have this size on the equator but the lines converge at the poles where the distance between them becomes zero.
So on maps, you will see that the distance of lines of latitude are always the same but those of longitude are smaller as distance increases away fro the equator.
Wiki User
∙ 14y ago
Wiki User
∙ 10y agoAt the equator, a degree of longitude is the same distance as a degree of latitude. One minute of latitude is equal to one nautical mile, so one degree equals 60 nautical mile.
As you go north or south, the lines of longitude converge, coming together at the poles. So the distance (in nautical miles) of one degree of longitude is equal to 60 times the cosine of the latitude.
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