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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President's Park - Wikipedia, the free encyclopedia
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President's Park , located in Washington, D.C., encompasses the White House, a visitor center, Lafayette Park , and The Ellipse . President's Park was the original name of Lafayette Park and Squa...
en.wikipedia.org/wiki/President's_Park
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The ellipse was first studied by Menaechmus, investigated by Euclid, and named by Apollonius. The focus and conic section directrix of an ellipse were ...
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mathworld.wolfram.com/Ellipse.html
mathworld.wolfram.com/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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ellipse - from an ever growing glossary of space and astronomy definitions. Find the definitions for ellipse and all your space and astronomy related words in this online dictionary - glossary. ... Definition: ellipse: A flattened circle or oval. That the orbits of the planets are ellipses, not circles, was first discovered...
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space.about.com/od/glossaries/g/ellipse.htm
space.about.com/od/glossaries/g/ellipse.htm
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An ellipse is one of a series of curves known as conic sections. A slice across a cone that is not made parallel to, and does not pass through, the base will produce an ellipse. ... ellipse - Click to enlarge...
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www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0...
www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0001136.html
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