Gratuito online right triangle calculator. Enter any two sides a instantly find the third side, area, perimeter, and all angles using the Pythagorean theorem.
A clean, visual right triangle calculator based on the Pythagorean theorem. Enter any two sides of a right triangle a instantly calculate the third side, plus area, perimeter, and all angles. Perfect for students, carpenters, engineers, and DIYers.
The Pythagorean theorem states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) equals the sum of the squares of the other two sides: a² + b² = c².
Yes! Enter any two sides and the calculator will find the third. Enter A and B a find C, A and C a find B, or B and C a find A.
Pythagorean triples are sets of three positive integers that satisfy the Pythagorean theorem. Common examples include 3-4-5, 5-12-13, and 8-15-17.
Yes, completely free. No registration, no ads, no limits. All calculations happen in your browser.