Answer :
Answer:
Two lines are parallel lines if they do not intersect. The slopes of the lines are the same. ... Coincident lines are the same line. Two lines are perpendicular lines if they intersect at right angles.
Answer:
Two lines are parallel lines if they do not intersect. The slopes of the lines are the same. ... Coincident lines are the same line. Two lines are perpendicular lines if they intersect at right angles.