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  2. Tennis court - Wikipedia

    en.wikipedia.org/wiki/Tennis_court

    The dimensions of a tennis court. The dimensions of a tennis court are defined and regulated by the International Tennis Federation (ITF) governing body and are written down in the annual 'Rules of Tennis' document. [1] The court is 78 ft (23.77 m) long. Its width is 27 ft (8.23 m) for singles matches and 36 ft (10.97 m) for doubles matches. [2]

  3. Board foot - Wikipedia

    en.wikipedia.org/wiki/Board_foot

    The 2 × 4 is actually only 1 + 1 ⁄ 2 in × 3 + 1 ⁄ 2 in (38 mm × 89 mm), but the dimensions for the lumber when purchased wholesale could still be represented as full 2 × 4 lumber, although the "standard" can vary between vendors. This means that nominal lumber includes air space around the physical board when calculating board feet in ...

  4. Square metre - Wikipedia

    en.wikipedia.org/wiki/Square_metre

    Square metre. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m2. [1] It is the area of a square with sides one metre in length. Adding and subtracting SI prefixes creates multiples ...

  5. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    A common 50 by 100 mm (2-by-4-inch) board. Dimensional lumber is lumber that is cut to standardized width and depth, often specified in millimetres or inches (but see below for information on nominal dimensions vs. actual dimensions). Carpenters extensively use dimensional lumber in framing wooden buildings.

  6. Floor area - Wikipedia

    en.wikipedia.org/wiki/Floor_area

    Floor area. In architecture, construction, and real estate, floor area, floor space, or floorspace is the area (measured in square metres or square feet) taken up by a building or part of it. The ways of defining "floor area" depend on what factors of the building should or should not be included, such as external walls, internal walls ...

  7. Basketball court - Wikipedia

    en.wikipedia.org/wiki/Basketball_court

    Basketball court. The home court of the Miami Heat of the National Basketball Association. In basketball, the basketball court is the playing surface, consisting of a rectangular floor, with baskets at each end. Indoor basketball courts are almost always made of polished wood, usually maple, with 3.048 meters (10 ft)-high rims on each basket.

  8. Tesseract - Wikipedia

    en.wikipedia.org/wiki/Tesseract

    The regular complex polytope 4 {4} 2, , in has a real representation as a tesseract or 4-4 duoprism in 4-dimensional space. 4 {4} 2 has 16 vertices, and 8 4-edges. Its symmetry is 4 [4] 2, order 32. It also has a lower symmetry construction, , or 4 {}× 4 {}, with symmetry 4 [2] 4, order 16. This is the symmetry if the red and blue 4-edges are ...

  9. Football pitch - Wikipedia

    en.wikipedia.org/wiki/Football_pitch

    The preferred size for many professional teams' stadiums is 115 by 74 yards (105 by 68 metres). A football pitch (also known as a soccer field in the United States) [1] is the playing surface for the game of association football. Its dimensions and markings are defined by Law 1 of the Laws of the Game, "The Field of Play". [2]