Angles and Parallel Lines Videos - Free Educational Videos for Students in K - 12

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This page provides a list of educational videos related to Angles and Parallel Lines. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Angles and Parallel Lines.


Angles of Parallel Lines - Khan Academy


By Khan Academy

Angles of a transverse line when you intersect parallel lines are discussed in this video. Video discusses parallel lines and what a transverse line is. Video then goes into labeling the angles, such as corresponding angles, opposite angles, alternate interior angles, alternate exterior angles, and supplementary angles. The video shows how to find the measurement of each of the angles using what you know about angles and lines. Good review for concepts of angles and vocabulary associated with angles. Good quality video. Good for middle elementary and middle school students.

Parallel and Perpendicular Lines, Transversals, Alternate Interior Angles, Alternate Exterior Angles


By The Organic Chemistry Tutor

parallel and perpendicular lines in addition to transversals and all the angles that are formed by it such as alternate interior and exterior angles.

angles parallel lines and transformations project by logan dustiee abrahm and tyler


By Dustiee Dawson

angles parallel lines and transformations project by logan dustiee abrahm and tyler

Angles formed between transversals and parallel lines | Geometry | Khan Academy


By Khan Academy

Khan Academy presents Angles formed between transversals and parallel lines, an educational video resource on math.

Proof: Corresponding angle equivalence implies parallel lines | Geometry | Khan Academy


By Khan Academy

Proof by contradiction that corresponding angle equivalence implies parallel lines. All Khan Academy content is available for free at www.khanacademy.org

Angles (part 3) | Angles and intersecting lines | Geometry | Khan Academy


By Khan Academy

This video uses an electronic black board with different colored pens. Angles formed with two parallel lines (defines parallel lines) and a transversal line (a line that crosses the two parallel lines). The video then goes into labeling the various angles, corresponding angles, opposite angles, alternate interior angles, alternate exterior angles, and supplementary angles. The last thing the video explains is that all the angles in a triangle add up to 180 degrees. It shows how to find the measurements of each of these angles. Good video for review of concepts and angle vocabulary. Good for middle school students.

Equation practice with congruent angles


By Khan Academy

Parallel lines, transversal lines, corresponding angles

Parallel lines 1


By Khan Academy

Parallel lines, transversal lines, corresponding angles

Angles and parallel lines


By MathPlanetVideos

Find the measure of all the angles in the figure

Angles, parallel lines and transversals


By MathPlanetVideos

Find the value of x in the following figure

Corresponding Angles in Parallel Lines


By MathsMasterOrg

A simple overview of how to identify corresponding angles

Flipped Classroom Lines and Angles


By Megan Priole

Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines.

Algebra 1 Help | MathHelp.com


By MathHelp.com

This lesson covers parallel lines. Students learn that if two parallel lines are cut by a transversal, then corresponding angles are congruent, alternate interior angles are congruent, and same-side interior angles are supplementary. Students are then asked to find missing values based on these concepts.

Math Antics - Points, Lines, & Planes


By mathanatics

Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

8.5 Three Theorems Involving Proportions (Lesson)


By AutenMath

A lesson on the Angle Bisector and Side Splitter theorems and a theorem relating segments cut by two transversals and three or more parallel lines.

Find missing angles of triangles


By Khan Academy

Sal combines what we know about isosceles triangles and parallel lines with the power of algebra to solve the angles of an isosceles triangle.

Angle bisector theorem proof | Special properties and parts of triangles | Geometry | Khan Academy


By Khan Academy

In this video, we'll quickly review the angle bisector theorem, and then we'll see how it's proven. We prove it by extending a parallel line to one of the triangle's legs. That tells us information about the interior angles!

Proving the Sum of Measures of Angles in a Triangle are 180


By Khan Academy

This video gives us a walkthrough of the proof that the angle measures of the angles of a triangle add up to 180. This proof requires us to draw in a line on our own (specifically, one that is parallel to one side of the triangle, but it could be any side). Then we can treat the two non-parallel sides as transversals.

Recognizing parallel and perpendicular lines


By Khan Academy

Do the two lines intersect or stay apart? If they intersect, do they do so thereby creating a 90 degree angle? These are the kinds of questions we ask ourselves when we learn about parallel and perpendicular lines.