Answers

2014-05-11T18:49:58+01:00
A great circle is any line that divides the earth into equal halves or hemisphere. Also know as centre of the earth. Shortest distant between any 2 points on the earths surface lies along the circumference of the great circle. the equator is the only line of latitude that is a great circle. while greenwich meridian, meridians(180°W) and many more form great cicles
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