In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).
He became a contribution because he was famous of math hope this helps if not sorry
He helped us understand the meaning of math and numbers and how can us it in daily life
Pythagoras made many contributions to the field of math.
He did math
Pythagoras contribution to geometry was the Pythagorean theorem, which states the square of the hypotenuse equals the sum of the squares of the other two sides of the triangle.
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Pythagoras was a teacher, but he also was the first to prove Pythagorean math correct
Pythagoras was philosopher, mathematician and founder of a religious group
Trigonometry
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He is best known for publishing the theory of how to calculate the length of the hypotenuse on a right angled triangle, using the formula: a2+b2=c2 where c is the hypotenuse