Pythagorean Theorem Calculator
Find any side of a right triangle and compute angles, area, and perimeter.
Hypotenuse c5a² + b² = c² → 3² + 4² = 5²
Leg a3
Leg b4
Hypotenuse c5
Angle A (opposite a)36.869898°
Angle B (opposite b)53.130102°
Angle C90°
Area6
Perimeter12
Common Pythagorean triples: