Khan Academy
Khan Academy: More Analytic Geometry: Parallel Lines 3
This video demonstrates how to determine if lines are parallel given the equations.
Virtual Nerd
Virtual Nerd: How Do You Find a Value for X That Makes Two Lines Parallel?
This tutorial shows you how to find x so two lines are parallel. [2:47]
Khan Academy
Khan Academy: Geometry: Identifying Parallel and Perpendicular Lines
Identifying parallel and perpendicular lines in a diagram. [3:34]
Khan Academy
Khan Academy: Identifying Parallel and Perpendicular Lines
Identifying parallel and perpendicular lines in a given diagram.
Khan Academy
Khan Academy: Angles Formed Between Transversals and Parallel Lines
This video explains the relationship between the measures of angles formed when parallel lines are cut by a transversal.
Khan Academy
Khan Academy: Geometry: Angles of Parallel Lines 2
Explains how to determine the measures of all the angles formed when parallel lines are cut by a transversal based on the measure of one angle. Explains how to use corresponding congruent angles to determine if lines cut by a transversal...
Khan Academy
Khan Academy: Geometry: Angles Formed Between Transversals and Parallel Lines
Explains the relationship between the measures of angles formed when parallel lines are cut by a transversal based on relationships of corresponding, vertical, and supplementary angles. [7:53]
Khan Academy
Khan Academy: Geometry: Angles Formed by Parallel Lines and Transversals
Identifies which angles are congruent when parallel lines are cut by a transversal. [7:07]
Khan Academy
Khan Academy: Geometry: Angles (Part 3)
Identifies and defines the types of angles formed by parallel lines cut by a transversal and the relationship of their measures. Discusses Triangle Sum Theorem. [9:48]
Study Pug
Study Pug: Parallel Line Equation
This video lesson takes a look at questions related to parallel line equations. [2:03]
Art of Problem Solving
Art of Problem Solving: Angles and Parallel Lines
Video tutorial discusses the relationships among angles formed when a transversal intersects parallel lines. [5:54]
Khan Academy
Khan Academy: Angles, Parallel Lines, & Transversals
Learn about parallel lines, transversals, and the angles they form.
Khan Academy
Khan Academy: Angles Formed Between Transversals and Parallel Lines
Angles of parallel lines.
Sophia Learning
Sophia: Slope of Parallel Lines: Lesson 4
The slope of parallel lines is discussed in this lesson. It is 4 of 5 in the series titled "Slope of Parallel Lines."
Sophia Learning
Sophia: Drawing Line Relationships: Lesson 2
This lesson will demonstrate how to draw intersecting, perpendicular, and parallel lines.
Sophia Learning
Sophia: Writing an Equation for Perpendicular Lines in the Real World
In this lesson, students will learn Writing an Equation for Perpendicular Lines in the Real World. Student watch a video tutorial.