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Study with Quizlet and memorize flashcards containing terms like ellipsoid (pic), ellipsoid (equation), elliptical paraboloid (pic) and more.
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Cone. A three-dimensional figure with a circular or elliptical base and one vertex. Height of a cone. The length of a line segment drawn from the vertex to the base of the cone. Formula for a cone. V=1/3•3.14•r^2•h.
5 ημέρες πριν · A cone with elliptical cross section. The parametric equations for an elliptic cone of height h, semimajor axis a, and semiminor axis b are x = a(h-u)/hcosv (1) y = b(h-u)/hsinv (2) z = u, (3) where v in [0,2pi) and u in [0,h]. The elliptic cone is a quadratic ruled surface, and has volume V=1/3piabh.
3 Αυγ 2023 · An elliptic cone is a cone with an elliptical cross-section. It has a directrix, which is an ellipse. Such a cone is different from the standard circular cone (with a circular cross-section) in shape. It is thus one of the quadric surfaces with traces composed of conic sections.
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An elliptical cone is a cone a directrix of which is an ellipse; it is defined up to isometry by its two angles at the vertex. Characterization: cone of degree two not decomposed into two planes. Contrary to appearances, every elliptical cone contains circles.