Solve a² + b² = c²
Enter values for any two sides to find the third. Leave one field blank to solve for it.
Mastering the Pythagorean Theorem
The Pythagorean theorem is a fundamental principle in geometry that describes the relationship between the three sides of a right-angled triangle. It is one of the most famous and widely used mathematical theorems, essential for fields ranging from construction and engineering to navigation and graphic design. Our calculator simplifies its application, allowing you to solve for any missing side instantly.