Look up triangle in Wiktionary, the free dictionary.

A triangle is a geometric shape. Wikipedia does not have an article with this exact name. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ... A triangle is one of the basic shapes of geometry: a polygon with three vertices and three sides which are straight line segments. ...

Triangle can also refer to:

• Triangle wave
• Triangle function
• Triangle (instrument), the musical instrument.
• Triangle (snooker), a device for align the balls at the start of each frame.
• Set square, a tool used in technical drawing
• Wye (railroad), a three-way track junction
• Triangulum, a star constellation
• Triangle (newspaper), a student newspaper of Drexel University
• Triangle piercing, one of several forms of female genital piercing
• Triangle choke, a chokehold common to Brazilian Jiu-Jitsu

As a place: A triangle wave is a waveform named for its triangular shape. ... Triangular function The triangular function (also known as the triangle function, hat function, or tent function) is defined as: or, equivalently, as the convolution of two identical unit rectangular functions: The function is useful in signal processing and communication systems engineering as a representation of an idealized signal, and as... The triangle is an idiophonic musical instrument of the percussion family. ... triangle, set square In American English, a set square is an alternative name for a T-square. ... A wye in American railroad terminology, known as a triangle in British terminology, is a triangular shaped arrangement of tracks with a switch at each corner. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... The Triangle is the student newspaper of Drexel University. ... A triangle piercing is one of several forms of female genital piercing. ... This article or section does not cite its references or sources. ...

• Triangle Lake, Oregon
• Triangle, New York
• Triangle, Virginia
• Triangle, West Yorkshire a village near Halifax, West Yorkshire

In television: Triangle is a town located in Broome County, New York. ... Triangle is a census-designated place located in Prince William County, Virginia. ... , This article is about the English town. ...

• Triangle (television), a former BBC soap opera
• The Triangle (miniseries), a mini-series on the Sci-Fi Channel

As a local place nickname: Triangle was a BBC television soap opera of the 1980s, set aboard a North Sea ferry. ... It has been suggested that The_Triangle_%28TV_Series%29 be merged into this article or section. ...

• Bermuda Triangle
• Golden Triangle
• Polynesian Triangle
• Rhubarb Triangle
• Sunni Triangle
• Research Triangle

The Bermuda Triangle (also known as Devils Triangle) is a nearly half-million square-mile (1. ... The Golden Triangle can refer to: The Golden Triangle is one of Asia’s two main illicit opium-producing (opium) areas. ... The Polynesian Triangle is a geographical region of the Pacific Ocean anchored by Hawaii, Rapa Nui and New Zealand. ... The Rhubarb Triangle is an area located between Pontefract, Wakefield and Leeds. ... Map of the Sunni Triangle The Sunni Triangle refers to a roughly triangular area of Iraq to the northwest of Baghdad. ... The Research Triangle, commonly referred to as the Triangle, is a region in the piedmont of North Carolina in the United States, anchored by the cities of Raleigh, Durham, and Chapel Hill and the major research universities of North Carolina State University, Duke University, and the University of North Carolina...

See also

• Triangle Shirtwaist Factory fire
• Bizarre Love Triangle, a song by New Order
• Love triangle
• Pascal's triangle
• Princeton Triangle Club
• Sierpinski triangle
• Trade Triangle
• Triangle Fraternity
• Triangle inequality
• Triangle offense
• Triangulation
• Trinity