OML Search

Triangle Inequality Theorem

Video solutions to help Grade 7 students learn how to add and subtract rational numbers using the number line.

Explore the Triangle Inequality Theorem

The triangle inequality theorem states that

The sum of any two sides of a triangle must be greater than the length of the third side.

Move the a, b and c slider bars to change the lengths of sides of the triangle.

Look at the three conditions
b + c > a
a + c > b
a + b > c

See what happens to the triangle when one of the above conditions is not true.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

OML Search

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.

[?] Subscribe To This Site

follow us in feedly
Add to My Yahoo!
Add to My MSN
Subscribe with Bloglines