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inscribed angle

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См. также в других словарях:

  • Inscribed angle — In geometry, an inscribed angle is formed when two secant lines of a circle (or, in a degenerate case, when one secant line and one tangent line of that circle) intersect on the circle.Typically, it is easiest to think of an inscribed angle as… …   Wikipedia

  • inscribed angle — angle whose point is on the perimeter of a circle …   English contemporary dictionary

  • Inscribed angle theorem — In geometry, the inscribed angle theorem states that an angle θ inscribed in a circle is half of the central angle 2θ that subtends the same arc on the circle. Therefore, the angle does not change as its apex is moved to different positions on… …   Wikipedia

  • Angle — This article is about angles in geometry. For other uses, see Angle (disambiguation). Oblique angle redirects here. For the cinematographic technique, see Dutch angle. ∠, the angle symbol In geometry, an angle is the figure formed by two rays… …   Wikipedia

  • Angle trisection — The problem of trisecting the angle is a classic problem of compass and straightedge constructions of ancient Greek mathematics.Two tools are allowed # An un marked straightedge, and # a compass, Problem: construct an angle one third a given… …   Wikipedia

  • Central angle — CoordinatesOn a sphere or ellipsoid, the central angle is delineated along a great circle.The usually provided coordinates of a point on a sphere/ellipsoid is its common latitude ( Lat ), phi,!, and longitude ( Long ), lambda,!. The point ,… …   Wikipedia

  • Vertex angle — In geometry, a vertex angle is the angle associated with a vertex of a polytope.In a polygonThe vertex angle (denoted by α 1 or A 1) in a polygon is measured by the interior side of the vertex. For any simple n gon, the sum of the interior angles …   Wikipedia

  • Colin Angle — Born 1967 Niskayuna, New York Fields Robotics Alma mater …   Wikipedia

  • Circle — This article is about the shape and mathematical concept. For other uses, see Circle (disambiguation). Circle illustration showing a radius, a diameter, the centre and the circumference …   Wikipedia

  • Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …   Wikipedia

  • Thales' theorem — In geometry, Thales theorem (named after Thales of Miletus) states that if A, B and C are points on a circle where the line AC is a diameter of the circle, then the angle ABC is a right angle. Thales theorem is a special case of the inscribed… …   Wikipedia

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