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square, closed plane figure bounded by four straight line segments of equal length and meeting at right angles. The points of intersection of the lines, or sides, are called vertices. The diagonals of a square are the two lines joining opposite vertices; they are of equal length and are the perpendicular bisectors of one another. The perimeter of a square is the sum of the lengths of its sides, or P=4*s,* where *s* is the length of a side. The area enclosed by a square is A=*s*^{2}. The square is one of the commonest geometric figures and has long had various symbolic meanings in religion and art.

The Columbia Electronic Encyclopedia Copyright © 2004.

Licensed from Columbia University Press

Licensed from Columbia University Press

square, magic: see magic square.

The Columbia Electronic Encyclopedia Copyright © 2004.

Licensed from Columbia University Press

Licensed from Columbia University Press

Square may mean:
### Mathematics

### Entertainment

### Language

### Places

### Other

- Square (algebra), to multiply a number or other quantity by itself
- Square (geometry), a polygon with four equal sides and angles
- Square wave, a basic kind of non-sinusoidal waveform

- Square (album), an album by Buck 65
- Square (band), a musical trio from Lincoln, Nebraska
- Square Co., former video game company that merged with Enix to become Square Enix
- Square Electronic Arts, joint venture between console video game developers Square and Electronic Arts
- Square Enix, a video game company formed by the merger of Enix and Square
- Square Pictures, a computer-animated film division of Square Co.
- The Square (1994 film), a Chinese documentary
- The Square (2008 film), an Australian film
- The Squares, an English band that formed in 1985

- A modifier adjective, used when describing fielding positions in cricket
- An adjective or noun, used when describing two positions parallel with one another relative to the goal in football (soccer)
- Square character (■), a written character
- Square (slang), an unhip person or a cigarette

- Square Lake, Maine, an unorganized territory in Aroostook County, Maine
- The Square, a common name for public squares
- Tiananmen Square in Beijing, China, the largest open urban square in the world
- Times Square, a popular landmark in New York City
- Town square or Market square, an open area commonly found in the heart of a traditional town
- Trafalgar Square in London, England

- An astrological aspect of 90 degrees
- Broken square
- Carpentry square, a tool
- Infantry square
- Square (area), an Imperial unit of floor area and other construction materials
- Square (cipher), a cryptographic block cipher
- Square division, a form of military organization
- Square rig, a type of sail and rigging arrangement
- SQUARE methodology, a CERT SEE developed methodology for security requirements engineering

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Last updated on Sunday September 28, 2008 at 22:58:13 PDT (GMT -0700)

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This article is licensed under the GNU Free Documentation License.

Last updated on Sunday September 28, 2008 at 22:58:13 PDT (GMT -0700)

View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation

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