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# Cone (geometry)

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Wikipedia English-Arabic glossary . 2014.

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• Cone (geometry) — Not to be confused with the conical surface.. A right circular cone and an oblique circular cone A cone is an n dimensional geometric shape that tapers smoothly from a base (usually flat and circular) to a point called the apex or vertex.… …   Wikipedia

• Cone (geometry)/Proofs — Volume * Claim: The volume of a conic solid whose base has area b and whose height is h is {1over 3} b h . Proof: Let vec alpha (t) be a simple planar loop in mathbb{R}^3 . Let vec v be the vertex point, outside of the plane of vec alpha .Let the …   Wikipedia

• Cone — This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article …   Wikipedia

• Cone (linear algebra) — In linear algebra, a (linear) cone is a subset of a vector space that is closed under multiplication by positive scalars. In other words, a subset C of a real vector space V is a cone if and only if λx belongs to C for any x in C and any positive …   Wikipedia

• Cone (topology) — Cone of a circle. The original space is in blue, and the collapsed end point is in green. In topology, especially algebraic topology, the cone CX of a topological space X is the quotient space: of the …   Wikipedia

• cone´less — cone «kohn», noun, verb, coned, con|ing. –n. 1. a solid object that has a flat, round base and narrows to a point at the top. 2. Geometry. a surface traced by a moving straight line, one point of which is fixed, the opposite end constantly… …   Useful english dictionary

• Geometry — Ge*om e*try, n.; pl. {Geometries}[F. g[ e]om[ e]trie, L. geometria, fr. Gr. ?, fr. ? to measure land; ge a, gh^, the earth + ? to measure. So called because one of its earliest and most important applications was to the measurement of the earth s …   The Collaborative International Dictionary of English

• Cone tracing — is a derivative of the ray tracing algorithm that replaces rays, which have no thickness, with cones. Cone tracing is related to beam tracing, but uses circular rather than polygonal cross sections. Cone tracing solves certain problems related to …   Wikipedia

• geometry — /jee om i tree/, n. 1. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties… …   Universalium

• Cone of curves — In mathematics, the cone of toot (sometimes the Kleiman Mori cone) of an algebraic variety X is a combinatorial invariant of much importance to the birational geometry of X. Contents 1 Definition 2 Applications 3 …   Wikipedia

• cone — /koʊn / (say kohn) noun 1. a solid with a circular base, whose straight sides converge in a point. 2. Geometry a solid whose surface is generated by the straight lines joining a fixed point to the points of a plane curve whose plane does not… …   Australian English dictionary