2Menu Brief History A Pythagorean Puzzle Pythagoras’ Theorem Using Pythagoras’ TheoremFinding the shorter sideFurther examples
3Pythagoras (~ B.C.)Pythagoras was a Greek philosopher and religious leader.He was responsible for many important developments in maths,astronomy,and music.
4The Secret Brotherhood His students formed a secret society called the Pythagoreans.As well as studying maths, they were a political and religious organisation.Members could be identified by a five pointed star they wore on their clothes.
5The Secret Brotherhood They had to follow some unusual rules. They were not allowed to wear wool, drink wine or pick up anything they had dropped!Eating beans was also strictly forbidden!
28Pythagoras’ TheoremThis is the name of Pythagoras’ most famous discovery.It only works with right-angled triangles.The longest side, which is always opposite the right-angle, has a special name:hypotenuse