1. 
   Trilateration
   Method of surveying wherein the lengths of the triangle sides are measured, usually by electronic methods, and the angles are computed from the measured lengths. See also: Triangulation.
   Found op http://www.diracdelta.co.uk/science/source/t/r/trilateration/source.html
   
   
2. 
   trilateration
   method of surveying in which the lengths of the sides of a triangle are measured, usually by electronic means, and, from this information, angles ... [1 related articles]
   Found op http://www.britannica.com/eb/a-z/t/80
   
   
3. 
   Trilateration
   In geometry, trilateration is the process of determinating absolute or relative locations of points by measurement of distances, using the geometry of circles, spheres or triangles. In addition to its interest as a geometric problem, trilateration does have practical applications in surveying and n...
   Found op http://en.wikipedia.org/wiki/Trilateration
   
   

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