Special Right Triangles Calculator
Free, instant special right triangles calculator with step-by-step solutions, transparent formulas, and verification.
Quick answer
Special right triangles use fixed side ratios: 1:1:√2 for 45–45–90 and 1:√3:2 for 30–60–90.
Formula and calculation method
45–45–90: hypotenuse = leg√2. 30–60–90: long leg = short leg√3 and hypotenuse = 2×short leg.
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