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POINTS, LINES, & PLANES. 9-1. BASIC GEOMETRIC FIGURES. Examples…. 1. Name 4 points 2. Name 4 different segments 3. Name 1 line segment 4. Name 1 ray. H. W. T. K. Parallel Lines. Two lines that lie in the same plane and DO NOT intersect. Perpendicular Lines.
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Examples… • 1. Name 4 points • 2. Name 4 different segments • 3. Name 1 line segment • 4. Name 1 ray H W T K
Parallel Lines • Two lines that lie in the same plane and DO NOT intersect
Perpendicular Lines • Lines that criss-cross (intersect) to form a 90 degree angle
Skew Lines • Lines that do not lie in the same plane; they are NOT parallel and they are NOT perpendicular