A line that starts at one point and extends indefinitely in one direction is called a ___.
ray
line segment
chord
radius
A line extends indefinitely in ............... directions.
A line segment when extended indefinitely in one direction is called .................
Fill in the blanks by choosing the correct words from the list given below.
(line segment, point, parallel lines,perpendicular lines,plane,line,ray,interssecting line)
___________ is a collection of points that extends indefinitely in opposite direction.