rectangular spherical triangle

См. также в других словарях:

• trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… …   Universalium

• Pythagorean theorem — See also: Pythagorean trigonometric identity The Pythagorean theorem: The sum of the areas of the two squares on the legs (a and b) equals the area of the square on the hypotenuse (c) …   Wikipedia

• Western architecture — Introduction       history of Western architecture from prehistoric Mediterranean cultures to the present.       The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …   Universalium

• Solid angle — The solid angle, Ω , is the angle in three dimensional space that an object subtends at a point. It is a measure of how big that object appears to an observer looking from that point. For instance, a small object nearby could subtend the same… …   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

• List of uniform polyhedra by vertex figure — There are many relations among the uniform polyhedron.Some are obtained by truncating the vertices of the regular or quasi regular polyhedron.Others share the same vertices and edges as other polyhedron.The grouping below exhibit some of these… …   Wikipedia

• birectangular — (ˈ)bī+ adjective Etymology: bi (I) + rectangular : having two right angles a birectangular spherical triangle * * * /buy rek tang gyeuh leuhr/, adj. Geom. having two right angles. [BI 1 + RECTANGULAR] …   Useful english dictionary

• Birectangular — Bi rec*tan gu*lar, a. [Pref. bi + rectangular.] Containing or having two right angles; as, a birectangular spherical triangle. [1913 Webster] …   The Collaborative International Dictionary of English

• trirectangular — |trī+ adjective Etymology: tri + rectangular of a spherical triangle : having three right angles * * * trirectangular see tri 1 …   Useful english dictionary

• History of geometry — Geometry (Greek γεωμετρία ; geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre modern mathematics, the other being the study of numbers. Classic geometry… …   Wikipedia

• architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …   Universalium