<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation
Our Terms of Use (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use.

Triangle Inequality Theorem

Sum of the lengths of any two sides of a triangle is greater than the third side.

Atoms Practice
Estimated6 minsto complete
%
Progress
Practice Triangle Inequality Theorem
Practice
Progress
Estimated6 minsto complete
%
Practice Now
Turn In
Triangle Inequality Theorem
Teacher Contributed

RWA Triangle Inequality Theorem

Topic

History of Math

Vocabulary

  • Triangle Inequality Theorem

Student Exploration

How long ago was the triangle inequality theorem first written down?

Watch to learn more:

Read more here: http://www.historyforkids.org/learn/greeks/science/math/euclid.htm

A fragment of Euclid's elements found at Oxyrhynchus, which is dated to circa 100 AD. The diagram accompanies Proposition 5 of Book II of the Elements. http://en.wikipedia.org/wiki/Euclid's_Elements

Extension Investigation

Solve problems using the Triangle Inequality Theorem

http://www.internet4classrooms.com/grade_level_help/solve_triangle_inequality_math_sixth_6th_grade.htm

Triangle Inequality Theorem

http://www.mathopenref.com/triangleinequality.html

Layering (optional)

Triangle Inequality Theorem

Theorem

http://www.youtube.com/watch?v=i9x4cTJ18is&feature=related

Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes
Please to create your own Highlights / Notes
Show More

Image Attributions

Explore More

Sign in to explore more, including practice questions and solutions for Triangle Inequality Theorem.
Please wait...
Please wait...