define the following
A Parallel lines
b Prependicular lines
c Line Segment
d Radius of a circle
e Square
Two lines on a plane that never meet are parallel lines.They are always the same distance apart.
Two line are perpendicular when they are at right angle to each other.
A line segment is a part of line connecting two points.It has definite ends.
A square is a flat shape with 4 equal sides and every angle is a right angle.
The distance from the centre to the edge of the circle is radius of a circle.It is half of the circle's diameter.