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.
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