Ellipse - Wikipedia, the free encyclopedia
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In mathematics, an ellipse (from Greek ἔλλειψις elleipsis , a "falling short") is the bounded case of a conic section, the geometric shape that results from cutting a circular conical or cylindric...
en.wikipedia.org/wiki/Ellipse
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Definition and properties of an ellipse ... An ellipse looks like a circle that has been squashed into an oval. Like a circle, an ellipse is a type of line. Imagine a straight line segment that is bent around until its ends join. Then shape that loop until it is an ellipse - a sort of 'squashed circle' like the one above.
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www.mathopenref.com/ellipse.html
www.mathopenref.com/ellipse.html
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Ellipse is a family of curves of one parameter. Together with hyperbola and parabola, they make up the conic sections. Ellipse is also a special case of hypotrochoid. ... Vertexes of the ellipse are defined as the intersections of the ellipse and a line passing through foci. The distance between the vertexes are called...
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xahlee.org/SpecialPlaneCurves_dir/Ellipse_dir/ellipse.h...
xahlee.org/SpecialPlaneCurves_dir/Ellipse_dir/ellipse.html
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Definition of the Ellipse ... To read how the ellipse got its name, and what it means, see Parabola. That page also contains some background information on conic sections and other topics that also applies to ellipses, that won't be repeated here.
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www.du.edu/~jcalvert/math/ellipse.htm
www.du.edu/~jcalvert/math/ellipse.htm
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There's no simple exact formula for the perimeter of an ellipse. The exact formulas aren't simple, and we'll tell you how good the simple ones really are! ... Circumference of an ellipse: Introducing exact series and approximate formulas.
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home.att.net/~numericana/answer/ellipse.htm
home.att.net/~numericana/answer/ellipse.htm
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Every ellipse has such a pair of points. They are called the foci of the ellipse (The singular is "focus"). The foci are unique. There are always precisely two of them. A taut loop of string of appropriate length stretched about the foci as shown in the animation will draw the ellipse...
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johnbanks.maths.latrobe.edu.au/Games/Ellipse/
johnbanks.maths.latrobe.edu.au/Games/Ellipse/
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Welcome to Ellipse ... A leading provider of Laser & IPL systems that are clinically proven to be safe and effective. Our products give doctors and aesthetic practitioners reliable and medically sound tools to treat a variety of skin diseases and cosmetic conditions. ... Ellipse Products...
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www.ellipse.org/
www.ellipse.org/
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