Civil Engineering ⇒ Topic : Triangulation its Types and Different terms used

Triangulation
It is the process of measuring the angles of a network of triangles formed by stations marked on the surface of the earth.
Types of triangulation
1. Primary triangulation
2. Secondary triangulation
3. Tertiary triangulation
Different terms used in triangulation
1. True value
2. Observed value
3. True errors
4. Most probable error
5. Residual error
6. Weight of the observations
7. Laws of weights