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square

(Encyclopedia) 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.…

square root

(Encyclopedia) square root: see root, in mathematics.

magic square

(Encyclopedia) magic square, a square divided into parts with letters or numbers inscribed therein that, whether combined vertically, horizontally, or diagonally, form the same sum or the same word.…

Franklin Square

(Encyclopedia) Franklin Square, uninc. city (2020 pop. 32,055), Nassau co., SE N.Y., on Long Island. Although it is chiefly residential, there is…

Tiananmen Square

(Encyclopedia) Tiananmen Square, large public square in Beijing, China, on the southern edge of the Inner or Tatar City. The square, named for its Gate of Heavenly Peace (Tiananmen), contains the…

Times Square

(Encyclopedia) Times Square, in New York City. Formed by the intersection of Broadway, Seventh Ave., and 42d St., this famous square was named (1904) for the building there that formerly belonged to…

Trafalgar Square

(Encyclopedia) Trafalgar Square, in Westminster, London, England, named for Lord Nelson's victory at the battle of Trafalgar. The statue surmounting the Nelson memorial column (185 ft/56 m high) was…

Common Weights and Measures (table)

(Encyclopedia) Common Weights and Measures Length Metric System 1 millimeter = 1/1,000 meter 1 centimeter = 1/100 meter 1 decimeter = 1/10 meter 1 meter (basic unit of length) 1 dekameter…

Completing the Square

Completing the Square Algebra Quadratic Equations and Inequalities Solving Quadratics by Factoring Completing the Square The Quadratic Formula All Signs Point to the Discriminant Solving One-…