Pythagorean Theorem Calculator & Right Triangle Solver
Find unknown right triangle legs or hypotenuse using the Pythagorean theorem (a² + b² = c²). Delivers exact simplified radical form (e.g. 4√5), decimal approximations, interior acute angles (α and β), area, perimeter, and a proportional SVG geometric diagram.
Pythagorean Theorem Right Triangle Calculator (a² + b² = c²)
Solve for hypotenuse c or leg a/b with step-by-step algebraic working, angles, perimeter, and area.
Hypotenuse length
½ × a × b (square units)
a + b + c
Interior Angles
Step-by-Step Algebraic Proof
How to Use Pythagorean Theorem Calculator & Right Triangle Solver
Choose What to Solve
Select whether to calculate the Hypotenuse (c), Leg a, or Leg b.
Enter Known Side Lengths
Input positive lengths for the two known triangle sides.
View Steps & Simplified Radical
Examine the exact radical reduction, decimal length, acute angles, and proportional diagram.
Frequently Asked Questions
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