DETAILS, FICTION AND TOPOGRAPHIC LAND SURVEY BANGLADESH

বাংলাদেশ জরিপ অধিদপ্তর মেনু নির্বাচন করুনDutch mathematician Willebrord Snellius (a.k.a. Snel van Royen) launched the trendy systematic usage of triangulation. In 1615 he surveyed the distance from Alkmaar to Breda, about seventy two miles (116 km). He underestimated this dist