Stuck on this 50 points on the line.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180