the angle is subtended by the chord

См. также в других словарях:

• Subtended — Subtend Sub*tend , v. t. [imp. & p. p. {Subtended}; p. pr. & vb. n. {Subtending}.] [L. subtendere; sub under + tendere to stretch, extend. See {Tend}.] To extend under, or be opposed to; as, the line of a triangle which subtends the right angle;… …   The Collaborative International Dictionary of English

• 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

• blade angle — i. The angle the face of the propeller blade makes at any particular place with its plane of rotation. It is also the angle subtended by the chord of the propeller blade with the horizontal plane when the propeller is laid flat on its boss on… …   Aviation dictionary

• Ptolemy's table of chords — The table of chords, created by the astronomer and geometer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy s Almagest,[1] a treatise on mathematical astronomy. It is essentially… …   Wikipedia

• Versine — The versine or versed sine, versin(θ), is a trigonometric function equal to 1 − cos(θ) and 2sin2(½θ). It appeared in some of the earliest trigonometric tables and was once widespread, but it is now little used. There are several related functions …   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

• Euclidean geometry — geometry based upon the postulates of Euclid, esp. the postulate that only one line may be drawn through a given point parallel to a given line. [1860 65] * * * Study of points, lines, angles, surfaces, and solids based on Euclid s axioms. Its… …   Universalium

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions …   Wikipedia

• curve — curvedly /kerr vid lee/, adv. curvedness, n. curveless, adj. /kerrv/, n., v., curved, curving, adj. n. 1. a continuously bending line, without angles. 2. the act or extent of curving. 3. any curved outline, form, thing, or part. 4. a curved… …   Universalium

• Subtend — Sub*tend , v. t. [imp. & p. p. {Subtended}; p. pr. & vb. n. {Subtending}.] [L. subtendere; sub under + tendere to stretch, extend. See {Tend}.] To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the… …   The Collaborative International Dictionary of English