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 Form 4 mathematics online lessons on longitudes and latitudes

Shortest distance between two points on the earth’s surface

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Answer Text:
Shortest distance between two points on the earth’s surface:
-The shortest distance between two points on the earth’s surface is that along a great circle.

Example 1
P and Q are two points on latitude #50^0N#. They lie on longitudes #48^0W# and #132^0E# respectively. Find the distance from P to Q in km a).Along a parallel of latitude.
b).Along a great circle.


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