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The simple answer is that an ellipse is a squashed circle.

A more precise answer is that an ellipse is the locus (a collection) of points such that the sum of their distances from two fixed points (called foci) remains a constant. A circle is the locus of points that are all the same distance from a fixed point. If the two foci are moved closer together, the ellipse becomes more and more like a circle and finally, when they coincide, the ellipse becomes a circle. So, a circle is a special case of an ellipse.

Q: What is the difference between a circle and a ellipse?

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A circle is perfectly round and an ellipse is oval.

An ellipse is a shape on which the sum of the distances from every point to two points inside called the foci (focuses) is always the same number. A circle is an ellipse with both foci (focuses) at the same point.

-- the eccentricity or -- the distance between the foci or -- the ratio of the major and minor axes

ellipse are added hyperbola are subtracted

In contrast, for an ellipse it is the ''sum'' of these distances that is a constant

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A circle is perfectly round and an ellipse is oval.

An ellipse is a shape on which the sum of the distances from every point to two points inside called the foci (focuses) is always the same number. A circle is an ellipse with both foci (focuses) at the same point.

-- the eccentricity or -- the distance between the foci or -- the ratio of the major and minor axes

The simple answer is that an ellipse is a squashed circle.A more precise answer is that an ellipse is the locus (a collection) of points such that the sum of their distances from two fixed points (called foci) remains a constant. A circle is the locus of points that are all the same distance from a fixed point. If the two foci are moved closer together, the ellipse becomes more and more like a circle and finally, when they coincide, the ellipse becomes a circle. So, a circle is a special case of an ellipse.

ellipse are added hyperbola are subtracted

In contrast, for an ellipse it is the ''sum'' of these distances that is a constant

A circle,An ellipse, A sphere,A normal (Gaussian) distribution.A circle,An ellipse, A sphere,A normal (Gaussian) distribution.A circle,An ellipse, A sphere,A normal (Gaussian) distribution.A circle,An ellipse, A sphere,A normal (Gaussian) distribution.

Yes; the circle is a special case of an ellipse.

An oval. Or an ellipse.

ellipse is the shape of an egg

An ellipse is a conic section which is a closed curve. A circle is a special case of an ellipse.

Ellipse