Chapter 10 Perpendicular and Parallel Line Segments
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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.