Question

What is the best definition of an ellipse?

Answer 1

Answer:

1a : oval. b : a closed plane curve generated by a point moving in such a way that the sums of its distances from two fixed points is a constant : a plane section of a right circular cone that is a closed curve.

Answer 2

Answer:

An ellipse is a curve that is the locus of all points in the plane the sum of whose distances and from two fixed points and (the foci) separated by a distance of is a given positive constant (Hilbert and Cohn-Vossen 1999, p.

Step-by-step explanation:

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