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Special Right Triangles Calculator
Solve 30-60-90 and 45-45-90 right triangles from a known side
Formula: For a 45-45-90 triangle, sides are $s:s:s\sqrt{2}$. For a 30-60-90 triangle, sides are $s:s\sqrt{3}:2s$ (shorter leg, longer leg, hypotenuse). Enter the known side and select the triangle type below.
Triangle Parameters Input
Calculation Results
⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.