Relier Pairs Geometry vocabVersion en ligne 3rd grade geometry vocab par Lori Darden 1 vertex 2 right angle 3 Parallel lines 4 line 5 ray 6 Intersecting lines 7 angle 8 line segment formed when 2 rays share the same endpoint. the endpoint shared by 2 rays. straight path that goes on without end in 2 directions is part of a line. It has 2 end points. they do not cross they cross It has 1 endpoint and goes on without end in 1 direction. forms a square corner