LAND SURVEYING SERVICES BANGLADESH NO FURTHER A MYSTERY

Plane surveying assumes the Earth is flat. Curvature and spheroidal form of your Earth is neglected. In such a surveying all triangles fashioned by becoming a member of survey strains are considered as airplane triangles.Dutch mathematician Willebrord Snellius (a.k.a. Snel van Royen) introduced the modern systematic usage of triangulation. In 1615