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Lines, Rays, Line Segments, Points, Angles, Union & Intersection - Geometry Basic Introduction
By The Organic Chemistry Tutor
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.
Point-line distance and angle bisectors | Geometry | Khan Academy
By Khan Academy
Thinking about the distance between a point and a line. Proof that a point on an angle bisector is equidistant to the sides of the angle and a point equidistant to the sides is on an angle bisector
Flipped Classroom Lines and Angles
By Megan Priole
Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines.
Understand Points, Lines, Rays, Segments & Angles in Geometry - [7]
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
Lines, Rays, Line Segments, Points, Angles, Union & Intersection - Geometry Basic Introduction
By The Organic Chemistry Tutor
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.
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.
Naming Angles | MathHelp.com
By MathHelp.com
MathHelp.com offers a complete ACT math test prep course covering all topics on the ACT math test. Every lesson includes video examples, guided exercises, practice tests, and more.
Angles: measuring angles and their names! | Educational Videos for Kids
By Lumos Learning
We measure Angles with... a protractor! Have you ever used one before? Here's how! Have you used a protractor? Maths is fun and easy peasy with Happy learning!
[4.MD.5a-2.0] Angle Measurement - Common Core Standard
By Freckle education
Understand that an angle is measured by considering the fraction of the circular arc between the points where the two rays intersect the circle
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 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.
Triangle angle example 1 | Angles and intersecting lines | Geometry | Khan Academy
By Khan Academy
Figuring out angles in a triangle. A little about exterior angles being the sum of the remote interior angles
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.
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.
Angles, parallel lines and transversals
By MathPlanetVideos
Find the value of x in the following figure