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3Blue1Brown
What does it feel like to invent math?
A journey through infinite sums, p-adic numbers, and what it feels like to invent new math.
Zach Star
The applications of non-euclidean distance | Metric Spaces
The applications of non-euclidean distance | Metric Spaces
Math Fortress
Calculus III: The Dot Product (Level 12 of 12)
This video goes over the dot product also known as the scalar product. This video ends the dot product series by going over 3 proofs specifically the Cauchy-Schwarz Inequality, Triangle Inequality and the Parallelogram Law.
Math Fortress
Geometry: Collinearity, Betweenness, and Assumptions (Level 1 of 4)
In this video we will go over the concepts of collinearity, betweenness of points, triangle inequality, and assumptions from diagrams.
Math Fortress
Geometry: Collinearity, Betweenness, and Assumptions (Level 3 of 4)
In this video we will go over 3 slightly more challenging examples illustrating how to use the concepts of collinearity and triangle inequality.
Khan Academy
Khan Academy: Geometry: Ca Geometry: Triangles and Parallelograms
In this video lesson [11:14], the instructor demonstrates solutions to problems #21-25 of California Geometry released state test questions. Problems address understanding of the triangle inequality theorem, angle relationships with...
Khan Academy
Khan Academy: Triangle Inequality Theorem
Explains the Triangle Inequality Theorem, which states that the sum of two sides of a triangle is always more than the length of the third side. [5:52]
Khan Academy
Khan Academy: Linear Algebra: Vector Triangle Inequality
Video first reviews the Cauchy-Schwarz Inequality the shows a proof of the Vector Triangle Inequality and relates it to the Triangle Inequality from 2-dimensional Geometry. [18:53]
Khan Academy
Khan Academy: Triangle Inequality Theorem: Triangle Inqequality Theorem
Review intuition behind the triangle inequality theorem in this short video.
Art of Problem Solving
Art of Problem Solving: Triangle Inequality Introduction
Video tutorial uses examples to introduce triangle inequality. [6:15]