Pythagoras
Pythagoras was an ancient Greek (Ionian, actually) that was light-years ahead of his day mentally. His Theorem, the Pythagoras theorem (also known as the pythagorean theorem) is one of the most useful theorems in Geometry and math. Pythagoras theorem allows many calculations to be made about triangles. Pythagoras was the Greek philosopher and mathematician, who was so smart 2,500 years ago, that he could easily be teaching classrooms today, in this age as well!
Pythagoras theorem
Pythagoras theorem is a simple rule about the proportion of the sides of right triangles. The Pythagoras theorem states that:
” the square of the hypotenuse of a right Triangle is equal to the sum of the squares of the other two sides of the right Triangle.”
The illustration of Pythagoras theorem

Right Triangle in pythagoras theory
In a right Triangle, a2 + b2 = c2 . This is also known loosely as Pythagoras formula.
Suppose a = 4, b = 5, then:
c2 = 42 + 52 = 16 + 25 = 41
c = the square root of 41 = 6.403124.
Who was Pythagoras?
The Pythagoras theorem is invented by Pythagoras. Pythagoras (ca. 582 – ca 497 B.C.) was a Greek philosopher and mathematiccian. Pythagoras’ ideas influenced great thinkers throughout the ages. Pythagoras is well known to math students for the pythagoras theorem.