False. It only relates to the sides of a right triangle in a simple way, so that if the lengths of any two sides are known, the length of the third side can be found.
The Pythagorean theorem is true for all right triangles.
In geometry, the Pythagorean theorem which is also known as Pythagoras' theorem, tells a fundamental relation among the three sides of a right triangle. It states that in right triangle the square of the hypotenuse which is the side opposite the right angle is equal to the sum of the squares of the other two sides.
Therefore, the given statement is false.
The Pythagorean theorem is true for all right triangles.
