Identifying Parallel and Perpendicular Lines

Name: _______________________________
Date: _______________________________

Remember:

  • • Parallel lines never meet and are always the same distance apart (║)
  • • Perpendicular lines meet at right angles (90°) (⊥)

Part A: True or False

1. Parallel lines will eventually meet if extended far enough. __________
2. Perpendicular lines form a right angle where they intersect. __________
3. Two horizontal lines are parallel to each other. __________
4. The opposite sides of a rectangle are perpendicular. __________
5. Perpendicular lines always cross at exactly 90°. __________

Part B: Identify the Lines

Look at the diagrams below. Write P for parallel or ⊥ for perpendicular.

1. __________
2. __________
3. __________

Part C: Finding Lines in Shapes

For each shape, answer the questions below.

Rectangle

a) How many pairs of parallel sides? __________
b) How many pairs of perpendicular sides? __________

Trapezium

c) How many pairs of parallel sides? __________
d) How many pairs of perpendicular sides? __________

Part D: Real World Examples

Name one real-world object or structure that contains:

1. Parallel lines: _________________________________________________________
2. Perpendicular lines: _________________________________________________________