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## Pythagoras

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### Pythagoras Pythagoras Born: about 569 BC in Samos, Ionia Died: about 475 BC Pythagoras Pythagoras of Samos is often described as the first pure mathematician. – PowerPoint PPT presentation

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Title: Pythagoras

1
Pythagoras
2
Pythagoras
475 BC

3
Pythagoras
• Pythagoras of Samos is often described as the
first pure mathematician. He is an extremely
important figure in the development of
mathematics yet we know relatively little about
his mathematical achievements. Unlike many later
Greek mathematicians, where at least we have some
of the books which they wrote, we have nothing of
Pythagoras's writings. The society which he led,
half religious and half scientific, followed a
code of secrecy which certainly means that today
Pythagoras is a mysterious figure.

4
Pythagorean Theorem

Pythagoras Theorem claims that the sum of

two small squares equals the area of the large

square using the sides
of a scalene Triangle.
5
Music
• Pythagoras (6th C. B.C.) observed that when
the blacksmith struck his anvil, different notes
were produced according to the weight of the
hammer.Number (in this case "amount of weight")
seemed to govern musical tone. . . . .

6
Music
• Further, he observed that if you take two
strings in the same degree of tension, and then
divide one of them exactly in half, when they are
plucked the pitch of the shorter string is
exactly one octave higher than the longer

7
Pythagoras and what he discovered
• Pythagoras was a Greek mathematician in 569 BC
• He discovered Theorem, by calculating the side of
a scalene triangle.
• He also discovered the pitch of music and sound.