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Triangle Inequality

Triangle Inequality

Description:
  1.  

    Demonstrate how the sum of the lengths of any two sides of a triangle is always greater than the length of the third side.

  2.  

    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.

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Tutorial

The Triangle Inequality

This video introduces the Triangle Inequality and provides some examples of its use.

Source: Justus on Guaranteach

The Triangle Inequality With Spaghetti

This video presents the Triangle Inequality using spaghetti as a visual aid.

Practice Problems

This slideshow provides examples that allow practice determining if given side lengths can form a triangle.