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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Hyperbola
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1992-09-02
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550b
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In geometry, a curve formed by cutting a
right circular cone with a plane so that the
angle between the plane and the base is
greater than the angle between the base and
the side of the cone. All hyperbolae are
bounded by two asymptotes. A member of the
family of curves known as conic sections, a
hyperbola can also be defined as a path
traced by a point that moves such that the
ratio of its distance from a fixed point
(focus) and a fixed straight line (directrix)
is a constant and greater than 1; that is, it
has an eccentricity greater than 1.