Presentation onGreat

MathematicianPema Kyizom

Class X

Contents

About the Mathematician

Pythagoras Theorem

Irrational Number

Pythagoreanism

Whois

he?

About PythagorasHe was a Greek Philosopher and

Mathematician.

He has been credited as the founder of the

movement called Pythagoreanism.

Birthplace: Samos, Greece

Death place: Metapontum, Italy

Pythagoras TheoremIn a right angled triangle, the square of

Hypotenuse is equal to the sum of squares of the other two sides.

c

c2 = a2 + b2

a

b

52 = 32 + 42

25 = 9 + 16

PYTHAGORAS was the first to discover the numbers which were not rational, around 400BC. These numbers are called irrational numbers (irrationals), because they cannot be written in the form of a ratio of integers.

There are many myths surrounding the discovery of irrational number by the Pythagorean.

Irrational Number

Pythagoreanism originated in the 5th century BCE, based on teachings, or beliefs held by Pythagoras and his followers.

Pythagoras influenced many great mathematicians in Greece and Egypt such as Thales and Plato.

Pythagoreanism