Kala - Right-Angled Triangle Theorem
The Pythagorean Theorem
In a right triangle, the sum of the squares of the lengths of the legs equals the square of the length of the hypotenuse. If a and b are the lengths of the legs, and c is the length of the hypotenuse, then .
Exploration: Move Slider to explore the theorem.
Converse of the Pythagorean Theorem
If the lengths of a triangle is a, b and c and , then the triangle is a right-angle triangle.