rectangular triangle

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• Triangle and Robert — Infobox Webcomic| title = Triangle and Robert caption = author = Patrick Shaughnessy url = http://home.comcast.net/ pshaughn/tandr.html status = Completed began = August 1999 ended = September 2007 genre = ratings = Triangle and Robert is a… …   Wikipedia

• Bermuda Triangle Band — Infobox musical artist Name = Bermuda Triangle Band Img capt = Roger and Wendy of Bermuda Triangle at the New York Folk Festival, Central Park bandshell 1986 Img size = Landscape = yes Background = group or band Birth name = Alias = Roger Becket …   Wikipedia

• Kepler triangle — A Kepler triangle is a right triangle with edge lengths in geometric progression. The ratio of the edges of a Kepler triangle are linked to the golden ratio:varphi = {1 + sqrt{5} over 2}and can be written: 1 : sqrtvarphi : varphi, or… …   Wikipedia

• Wu Xing — For other uses, see Wu Xing (disambiguation). Wu Xing Chinese 五行 Transcriptions Mandarin …   Wikipedia

• Surface area — is the measure of how much exposed area an object has. It is expressed in square units. If an object has flat faces, its surface area can be calculated by adding together the areas of its faces. Even objects with smooth surfaces, such as spheres …   Wikipedia

• Orthocentric system — Orthocentric system. Notice any point is the orthocenter of the triangle formed by the other three. In geometry, an orthocentric system is a set of four points in the plane one of which is the orthocenter of the triangle formed by the other three …   Wikipedia

• 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

• 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

• 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

• Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… …   Wikipedia

• Nine-point circle — The nine points In geometry, the nine point circle is a circle that can be constructed for any given triangle. It is so named because it passes through nine significant points defined from the triangle. These nine points are: The midpoint of each …   Wikipedia