What are Parallel and Perpendicular Lines? Definition, Examples
Describe at least two similarities between constructing a perpendicular line through a point on a line and constructing a perpendicular through a point off a line.
What is the relationship between the angles formed when a line intersects two parallel lines? - Quora
Explain why any two skew lines lie on a unique pair of parallel planes.
What are Parallel and Perpendicular Lines? Definition, Examples
How are perpendicular and intersecting lines alike? - Quora
Parallel and Perpendicular Lines
Intersecting Lines, Definition, Properties & Examples - Lesson
Lesson Video: Parallel, Perpendicular, and Intersecting Lines in Space
Intersecting Lines & Angles - SAT Mathematics
Perpendicular Lines - Definition, Properties, Construction & Examples