1. Pythagoras and his theorem… By Elly Howells

2. Pythagoras' life Pythagoras (Πυθαγόρας) of Samos (that’s the Greek island where he was born) Born: 582-580 BC Died: 547-496 BC T r a d i t i o n : P y t h a g o r e a n i s m

3. H e h a d a w i f e n a m e d T h e a n o ( a m a t h e m a t i c i a n ), t w o d a u g h t e r s … … a n d a s l a v e n a m e d Z a l m o x i s Influences: Influences: Thales, Anaximander, Pherecydes Influenced: Philolaus, Alcmaeon, Plato, Euclid,Archytas, Empedocles, Hippasus, Neoplatonics, Kepler

4. Pythagoras was a weird man… He believed that ones soul was going to be reincarnated into human, animal or vegetable. S o h e w a s a v e g e t a r i a n, a n d h e a l s o r e f u s e d t o e a t b e a n s, a s h e t h o u g h t h u m a n - s o u l s w e r e i n t h e m. His way of dressing was rather unusual for the time. He wore a gold diadem, a sweeping white robe and trousers, which was not common. A n o t h e r t h i n g h e r e f u s e d w a s t o e a t b r e a d u n l e s s i t w a s c u t i n a c e r t a i n w a y.

5. P y t h a g o r a s ’ n o t a b l e w o r k s THE GOLDEN RATIO! MUSICA UNIVERSALIS PYTHAGOREAN TUNING Main interests METAPHYSICS MUSIC MATHEMATICS POLITICS ETHNICS

6. Pythagoras’ Theorem… a b c Pythagoras proposed that c = a + b 222 That’s the hypotenuse!

7. Meaning that… 3 4 5 3 5 4 x x x 9 25 16 + =

8. This will work with any right angled triangle! TRY IT OUT