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).
 Length is the highest measurement for all three dimensional figures (Figures for which Length, Breadth, and Height are given).
 Generally length is measured in two types of different units.
 In metric system units for length are millimeters, centimeters, meters, Kilometers.
 In customary system (Specially followed in America) units for length are Inch, foot, yard, and mile.
Example: For every rectangle length is larger than the breadth.
 Example: For a cuboids� the length is the highest measurement.
 1. Customary system 2. Metric system
 1 Kilometer = 1000 meters
1 Meter = 100 centimeters
1 centimeter = 10 millimeters.
 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
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