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  2. Four-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Four-dimensional_space

    Four-dimensional space (4D) is the mathematical extension of the concept of three-dimensional space (3D). Three-dimensional space is the simplest possible abstraction of the observation that one needs only three numbers, called dimensions, to describe the sizes or locations of objects in the everyday world.

  3. Length - Wikipedia

    en.wikipedia.org/wiki/Length

    Various terms for the length of a fixed object are used, and these include height, which is vertical length or vertical extent, width, breadth, and depth. Height is used when there is a base from which vertical measurements can be taken. Width and breadth usually refer to a shorter dimension than length. Depth is used for the measure of a third ...

  4. Three-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Three-dimensional_space

    A representation of a three-dimensional Cartesian coordinate system. In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values (coordinates) are required to determine the position of a point.

  5. Ship measurements - Wikipedia

    en.wikipedia.org/wiki/Ship_measurements

    Air draft is the minimum height a ship needs to pass under, while standard draft is the minimum depth a ship needs to float over. Length between perpendiculars – The distance between where the forward part cuts the waterline and the rudder post of the ship.

  6. How To Organize Kitchen Cabinets In 8 Simple Steps - AOL

    www.aol.com/organize-kitchen-cabinets-8-simple...

    By knowing your space’s width, depth, and height, you can figure out how to let your dimensions work in your favor. Have tall, narrow cabinets? Pick up some slim bins or drawers and stack them ...

  7. Rack unit - Wikipedia

    en.wikipedia.org/wiki/Rack_unit

    Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

  8. Sagitta (geometry) - Wikipedia

    en.wikipedia.org/wiki/Sagitta_(geometry)

    In the following equations, denotes the sagitta (the depth or height of the arc), equals the radius of the circle, and the length of the chord spanning the base of the arc. As 1 2 l {\displaystyle {\tfrac {1}{2}}l} and r − s {\displaystyle r-s} are two sides of a right triangle with r {\displaystyle r} as the hypotenuse , the Pythagorean ...

  9. List of tablet PC dimensions and case sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_tablet_PC...

    Tablet cases sizes Tablet PC Height Width Depth Screen Case size Acer Iconia Tab A500 [1]: 10.2 in (260 mm) 7 in (180 mm) 0.52 in (13 mm) 10.1 in (260 mm)