ফেইসবুক পেইজ ভিজিট ও লাইক দিন। মাননীয় উপদেষ্টা Dutch mathematician Willebrord Snellius (a.k.a. Snel van Royen) launched the modern systematic utilization of triangulation. In 1615 he surveyed the space from Alkmaar to Breda, around 72 miles (116 km). He underestimated this length by three.five%. The survey was a sequence https://anthonyc075udk2.ourabilitywiki.com/user