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Line A line is obtained when
a line segment like AB is
extended on both sides
indefinitely.
It is denoted by or
sometimes by a single
small letter like l.
It has no fixed length.
Ray A ray is a portion of line
that starts from a point
and extends indefinitely
in one direction.
It has one end point.
It can be extended in
one direction only.
It is denoted as
Parallel lines Two lines in a plane are said to
be parallel if they do not meet.
Intersecting Two distinct lines meeting at a
lines point are called intersecting
lines.
Angles The corners made by
the intersection of two
lines or line segments
are called Angles.
We write angle as ∠ABC
in first figure
∠XOY, ∠ZOW, ∠YOW
and ∠XOZ are angles in
