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  2. Square - Wikipedia

    en.wikipedia.org/wiki/Square

    Square. In Euclidean geometry, a square is a regular quadrilateral, which means that it has four sides of equal length and four equal angles (90- degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length adjacent sides.

  3. Square (algebra) - Wikipedia

    en.wikipedia.org/wiki/Square_(algebra)

    Square (algebra) 5⋅5, or 52 (5 squared), can be shown graphically using a square. Each block represents one unit, 1⋅1, and the entire square represents 5⋅5, or the area of the square. In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation.

  4. Square number - Wikipedia

    en.wikipedia.org/wiki/Square_number

    Square number. Square number 16 as sum of gnomons. In mathematics, a square number or perfect square is an integer that is the square of an integer; [1] in other words, it is the product of some integer with itself. For example, 9 is a square number, since it equals 32 and can be written as 3 × 3.

  5. Hectare - Wikipedia

    en.wikipedia.org/wiki/Hectare

    The entire yellow square is one square mile. The hectare (/ ˈhɛktɛər, - tɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre.

  6. Square (financial services) - Wikipedia

    en.wikipedia.org/wiki/Square_(financial_services)

    Square is a financial services platform by Block, Inc. for small and medium-sized businesses. [1][2] It enables accepting credit card payments using smartphones as POS registers, and facilitates various business operations.

  7. Rectangle - Wikipedia

    en.wikipedia.org/wiki/Rectangle

    Rectangle. In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.

  8. Square (tool) - Wikipedia

    en.wikipedia.org/wiki/Square_(tool)

    Square (tool) A square is a tool used for marking and referencing a 90° angle, though mitre squares are used for 45° angles. Squares see common use in woodworking, metalworking, construction and technical drawing. [1] Some squares incorporate a scale for measuring distances (a ruler) or for calculating angles.

  9. Illegal migrant involved in Times Square police attack was ...

    www.aol.com/news/illegal-migrant-involved-times...

    At least four of the illegal migrants who swarmed and beat up two NYPD officers in a shocking Times Square attack in January were apprehended by federal law enforcement as far back as July 2022 ...