Battle of the Iron Triangle had achieved combat parity and were pushing against the ARVN's outer line of defense around Saigon. Battle of the Iron Triangle The Battle of the Iron Triangle took place from 16 May to 20 November 1974, when the People's Army of Vietnam (PAVN) 9th Division captured Rach Bap and An Dien The Army of the Republic of Vietnam (ARVN) regained the lost towns in a series of costly counterattacks. The Iron Triangle was an important strategic location, bounded on the north by the jungle and overgrown rubber plantations of the Long Nguyen Secret Zone, on the west by the Saigon
Bézier triangle Bézier triangle A Bézier triangle is a special type of Bézier surface, which is created by (linear, quadratic, cubic or higher degree) interpolation of control points. A general "n"th-order Bézier triangle has ("n" + 1)("n" + 2)/2 control points "a" "β" "γ" where "i", "j", "k" are nonnegative integers such that "i" + "j" + "k" = "n" . The surface is then defined as for all nonnegative real numbers "s" + "t" + "u" = 1. With linear order (formula_2), the resulting Bézier triangle is actually a regular flat triangle, with the triangle vertices equaling the three control points.