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Triangle Inequality Theorem Calculator
Check if three side lengths can form a valid triangle
Theorem: The sum of the lengths of any two sides of a triangle must be greater than the length of the third side ($a + b > c$, $a + c > b$, and $b + c > a$). Enter side lengths below.
Side Lengths Input
Calculation Results
⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.