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:
https://www.youtube.com/watch?v=302eJ3TzJQU
Lines, Rays, Line Segments, & Angles:
https://www.youtube.com/watch?v=oeO8f0taQDA
Acute, Obtuse, Right, & Straight Angles:
https://www.youtube.com/watch?v=VjRXfemAbuc
Decimal Degrees to DMS Formula:
https://www.youtube.com/watch?v=W9kousU6AI0
Clock to Angle Problems:
https://www.youtube.com/watch?v=LEHYr0XfSyI
Angle Bisector Theorem - Midpoints:
https://www.youtube.com/watch?v=2I7ghedeoec
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Converse, Inverse, & Contrapositive:
https://www.youtube.com/watch?v=TCBu8PD4Lls
Geometry Probability - Length & Area:
https://www.youtube.com/watch?v=DeH5aHWxEaI
Perpendicular Lines, Rays, & Segments:
https://www.youtube.com/watch?v=-QFNMEnfRQA
Complementary & Supplementary Angles:
https://www.youtube.com/watch?v=MKgsObfVHmk
Addition & Subtraction Equality Property:
https://www.youtube.com/watch?v=RslDIFh_kG8
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