1. Parallel and Perpendicular Lines.

2. What are parallel lines? They are two lines on a surface that never meet. They are always the same distance apart. 3. What is a Perpendicular Line? This is when a line is at exactly 90 to another line.90 4. Quick Task: Which of these shapes are parallel, perpendicular or neither? 5. If the lines are not parallel nor perpendicular and they intersect, they are:Secant lines. 6. If the lines are not parallel nor perpendicular and they intersect, they are:Secant lines.