This geometry video tutorial provides a basic introduction into lines, rays, line segments, points, and angles. It also explains the difference between the union and intersection symbols and contains a few practice problems associated with it. Lines extend infinitely in both directions. Rays have a common endpoint and extend infinitely in one direction. Line segments have a beginning and an end and possess a definite length. Angles are composed of two rays that meet at a common endpoint or a vertex.

Geometry Introduction:
   • Introduction to Geometry  

Lines, Rays, Line Segments, & Angles:
   • Lines, Rays, Line Segments, Points, A...  

Acute, Obtuse, Right, & Straight Angles:
   • Acute Obtuse Right & Straight Angles ...  

Decimal Degrees to DMS Formula:
   • Decimal Degrees to DMS Formula -  Con...  

Clock to Angle Problems:
   • Clock Aptitude Reasoning Tricks & Pro...  

Angle Bisector Theorem - Midpoints:
   • Angle Bisector Theorem - Midpoints & ...  

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Converse, Inverse, & Contrapositive:
   • Converse, Inverse, & Contrapositive -...  

Geometry Probability - Length & Area:
   • Probability With Geometry - Length, A...  

Perpendicular Lines, Rays, & Segments:
   • Perpendicular Lines, Slope, Rays, and...  

Complementary & Supplementary Angles:
   • Complementary Angles and Supplementar...  

Addition & Subtraction Equality Property:
   • Addition and Subtraction Property of ...  

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