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Triangle Inequality Calculator

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How does the Triangle Inequality Calculator work?

This calculator displays 2 scenarios
1) Enter 3 sides of a triangle, and it will determine if the side lengths satisfy the properties of the triangle inequality and form a triangle
2) Enter 2 sides of a triangle, and this will determine an acceptable range for the length of the 3rd side of a triangle so that the 3rd side respects the Triangle Inequality.
This calculator has 3 inputs.

What 2 formulas are used for the Triangle Inequality Calculator?

  1. Sum up two sides of the triangle. They must be greater than the 3rd side
  2. The sum of any two sides of a triangle is greater than or equal to the third side

For more math formulas, check out our Formula Dossier

What 3 concepts are covered in the Triangle Inequality Calculator?

inequality
a relation which makes a non-equal comparison between two numbers or other mathematical expressions.
>, <, ≤, ≥
triangle
a flat geometric figure that has three sides and three angles
triangle inequality
the sum of any two sides of a triangle is greater than or equal to the third side



Triangle Inequality Calculator Video