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