Triangle inequality theorem (Full video)

Khan Academy
Supporting grades: 7

Description: This video aims to build intuition about the triangle inequality theorem. Created by Sal Khan. Let's draw ourselves a triangle. And let's say that this side right over here has length x. And what I'm going to think about is how large or how small that value x can be.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.