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Pythagoras was a 15) (PHILOSOPHY) born on the Aegean island of Samos. He was known as a great 16) (MATHEMATICS) who has received 17) (ADMIRE) for over 2000 years. As a young man he travelled a lot and was 18) (GREAT) influenced by some 19) (REMARK) ideas he came across in Egypt and Babylon. Over time, he made 20) (EXTEND) mathematical 21) (INVESTIGATE) , which included "Pythagoras' Theorem" , a great 22) (DISCOVER) stating that the square of the hypotenuse of a right angled triangle is equal to the sum of the squares. In 23) (ADD), Pythagoras was one of the earliest 24) (SCIENCE) to suggest that the earth was a sphere 25) (REVOLVE) around a central fire. Without doubt, his 26) (CONTRIBUTE) to the scientific world will always be acknowledged.

15. philosopher

16. mathematician

17. admiration

18. я не знаю

19. remarkable

20. extended

21. investigation

22. discovery

23. addition

24. scientist

25. revolved

26. contribution