HBS Math Support

Perpendicular and Parallel

Videos

Lines – Khan Academy
Introduction into Parallel and Perpendicular – Khan Academy
Drawing Parallel and Perpendicular Lines – Khan Academy

Lines, line segments, & rays (video) | Khan AcademyLearn the difference between lines, line segments, and rays.

Parallel & perpendicular lines intro | Analytic geometry (video) | Khan AcademyParallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines.

Drawing parallel line segments (video) | Khan AcademySal draws parallel line segments with given points.

Vocabulary

Perpendicular
Parallel
Horizontal
Vertical
Base

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