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 ...

Simply activate the drawing pen, and click and drag a rough outline of a simple geometric shape. This tool works with most 2D ...

Parallel lines are straight lines which have the same direction and so never meet. Arrowheads show lines are parallel. A straight line that cuts a pair of parallel lines is called an intersecting ...

Horizontal and vertical lines Learn how to identify different types of lines, including vertical, horizontal, parallel and perpendicular ... compare types of angles. Drawing and measuring angles ...