Demonstrate how the sum of the lengths of any two sides of a triangle is always greater than the length of the third side.
Provide examples that allow practice determining if given side lengths can form a triangle.
This packet should help a learner seeking to understand how to use triangle inequality to determine if three given side lengths could form a triangle.
This video introduces the Triangle Inequality and provides some examples of its use.
Source: Justus on Guaranteach
This video presents the Triangle Inequality using spaghetti as a visual aid.
This slideshow provides examples that allow practice determining if given side lengths can form a triangle.