This geometry video tutorial provides a basic introduction into skew lines. It explains the difference between parallel lines, perpendicular lines, skew lines, intersecting lines, and transversals. Parallel lines are coplanar lines that do not intersect. Skew lines are noncoplanar lines that do not intersect. Perpendicular lines are intersecting lines that meet at right angles and transversals are lines that intersect with two or more parallel lines. This geometry video tutorial contains plenty of examples and practice problems.
Polygons: https://www.youtube.com/watch?v=E_-3ulbtcLk
Quadrilaterals:
https://www.youtube.com/watch?v=ogcH3eM5beM
Skew Lines:
https://www.youtube.com/watch?v=cemF45vNOhg
Points, Lines, Planes, & Segments:
https://www.youtube.com/watch?v=dDWjhRfBsKM
Triangles - Basic Introduction:
https://www.youtube.com/watch?v=q7vI2oXL0gQ
Number of a Diagonals In a Polygon:
https://www.youtube.com/watch?v=jZYL2TUrYSw
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Ratios and Proportions - Means Extreme:
https://www.youtube.com/watch?v=tFCrFa0mDi4
Similar Triangles:
https://www.youtube.com/watch?v=YiFwvAFk-xs
Similar Triangles - Enlargement Ratios:
https://www.youtube.com/watch?v=r7m424e3Kdc
Triangle Similarity - SSS, SAS, & AAA:
https://www.youtube.com/watch?v=VXlFEilh-cw
Triangle Proportionality Theorem:
https://www.youtube.com/watch?v=EQpguitDfGU
Altitude on Hypotenuse Theorem:
https://www.youtube.com/watch?v=RiTp3vyWe0o
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Pythagorean Theorem:
https://www.youtube.com/watch?v=d8EA5TxGzcY
The Distance Formula:
https://www.youtube.com/watch?v=YDvUy5VYm9E
Distance Between 2 Points - 3D:
https://www.youtube.com/watch?v=0c6cP2zLC2c
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections