In this worksheet, we will practice describing the relations between straight lines, lines segments, and rays as parallel, intersecting, or perpendicular.

**Q1: **

Which of the following correctly defines perpendicular lines?

- ATwo lines are said to be perpendicular if they meet at an obtuse angle.
- BTwo lines are said to be perpendicular if they never intersect however far they are extended.
- CTwo lines are said to be perpendicular if they meet at an acute angle.
- DTwo lines are said to be perpendicular if they meet at right angles.
- ETwo lines are said to be perpendicular if they meet at a reflex angle.

**Q4: **

Use or to fill in the gap: .

- A
- B

**Q6: **

Is parallel or perpendicular to ?

- A parallel
- B perpendicular

**Q7: **

State whether the following is true or false: Any angle formed from the intersection of two perpendicular straight lines is a right angle.

- A true
- B false

**Q8: **

The blue car is driving on a road that is the road that the yellow car is driving on.

- Aintersecting
- Bperpendicular to
- Cparallel to

**Q9: **

The blue car is driving on a road that is to the road that the yellow car is driving on.