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View Full Version : Similarities and differences between circle and ellipse loci definition?

maramfaith24
Jan 21, 2011, 08:21 PM
What are some similarities and some differences between the definition of circle and an ellipse locus?
galactus
Jan 22, 2011, 06:24 AM
An ellipse is the locus of points the sum of whose distances from two given points (the foci) is constant.

A circle has one point from which the distances are constant... the radius.