Length


Definition of Length

Length is the term used for representing the size of an object /distance/ from one end to another end.

More About Length:


  • It is the greater measurement for all two dimensional figures (figures for which only length and breadth are given).
    1. Example: For every rectangle length is larger than the breadth.

      Definition of Length

  • Length is the highest measurement for all three dimensional figures (Figures for which Length, Breadth, and Height are given).
    1. Example: For a cuboids� the length is the highest measurement.

      Definition of Length

  • Generally length is measured in two types of different units.
    1. 1. Customary system 2. Metric system
  • In metric system units for length are millimeters, centimeters, meters, Kilometers.
    1. 1 Kilometer = 1000 meters
      1 Meter = 100 centimeters
      1 centimeter = 10 millimeters.
  • In customary system (Specially followed in America) units for length are Inch, foot, yard, and mile.
    1. 1 Yard = 3 feet
      1 Foot = 12 inches

Worked Example


How many centimeters are equal to 2 Km?

    A. 200
    B. 2000
    C. 20 000
    D. 20 0000
    Correct answer is D

Solution


    Step 1: 1Km = 1000 meters.
    2 Km = 1 x 1000 = 2000 meters
    Step 2: 1 meter = 100 centimeters
    2000 meters = 2000 x 100 = 200 000 centimeters

Related terms: Distance | Displacement.
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