| Triangulation |
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| CATEGORIES ABOUT TRIANGULATION | |
| elementary geometry | |
| euclidean geometry | |
| surveying | |
| angle | |
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from the shore to the ship. The observer at ''α'' measures the Angle between the shore and the ship, and the observer at ''β'' does likewise. If the length ''l'' is known, then the Law Of Sines can be applied to find the distance ''d''.]] In Trigonometry and elementary Geometry , triangulation is the process of finding a distance to a point by calculating the length of one side of a Triangle , given measurements of angles and sides of the triangle formed by that point and two other reference points. Some identities often used (valid only in flat or Euclidean Geometry ):
Triangulation is used for many purposes, including Surveying , Navigation , Metrology , Astrometry , Binocular Vision and gun direction of Weapon s. Many of these surveying problems involve the solution of large Mesh es of triangles, with hundreds or even thousands of observations. Complex triangulation problems involving real-world observations with errors require the solution of large systems of Simultaneous Equation s to generate solutions. Famous uses of triangulation have included the Retriangulation Of Great Britain . SEE ALSO
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