What are parallel and perpendicular lines? Discover the difference between ... Compare and order angles Learn how to compare the types of angle. Drawing angles Learn how to draw angles up to ...

Parallel rules help draftsmen, surveyors, cartographers, architects, and navigators draw accurate parallel lines. The instrument comes in two main forms: two rectangular straight edges connected by ...

Parallel lines are lines that never cross each other - they keep the same distance apart from each other. When two lines intersect, the opposite (X) angles are equal. On parallel lines ...