Demostrate how Pythagoras came up with his theory, using a right angle triangle with side measurements of: a= 5cm and b= 4cm. Explain your thinking.

Answer 1

Need to draw it but can not, going to look for drawing.
Here it is :) The square with the triangles outside.

http//www.mathsisfun.com/geometry/pythagorean-theorem-proof.html

Answer 2

http//www.mathsisfun.com/geometry/pythagorean-theorem-proof.html