Question

Method of Pythagoras

Answer 1

Right-angled triangles with whole number sides have fascinated mathematicians and number enthusiasts since well before 300 BC when Pythagoras wrote about his famous "theorem". The oldest mathematical document in the world, a little slab of clay that would fit in your hand, is a list of such triangles. 

Answer 2

so we can use the Pythagorean theorem the Pythagorean theorem states. that the sum of the squares of the lengths. of the legs of a right triangle is equal to the square of the length of the hypotenuse. or a squared plus B squared equals C squared where a and B are the legs of the right triangle