Parallel, Perpendicular, Skew Lines
 OROR(never touch)Perpendicular(intersect at right angles)ParallelLines on the same plane (same flat surface)are either:Intersecting(will touch) Lines that intersect forming 90 degree anglesare perpendicular lines. Intersecting?Perpendicular?Parallel? skew linesSkew lines lie on separate planes.  Although they are not parallel, they do not intersect.The orange linesare skew lines Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Perpendicular (same plane, intersect at 90º angles)Parallel (same plane, never touch)Skew (different planes, never touch)The orange lines are:∘ Perpendicular (same plane, intersect at 90º angles)Parallel (same plane, never touch)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘ Parallel (same plane, never touch)Perpendicular (same plane, intersect at 90º angles)Skew (different planes, never touch)The orange lines are:∘
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