Chapter 10

Chapter Objective:

* Line segments can go up and down, from side to side, and in every direction.

Vocabulary:

Perpendicular line segments - Line segments that meet at right angles.

Drawing triangle - This instrument is used to draw perpendicular and parallel line segments.

Parallel line segments - Parallel line segments are parts of lines that are ALWAYS the same distance apart.

Base - This is the straightedge of a drawing triangle; the side of the drawing triangle.

Horizontal lines - Horizontal lines are parallel to the floor.

Vertical lines - Vertical lines are the lines that are perpendicular to the floor.