When he increased the number of sides of the polygon till he reached 96 sides, he managed an approach concerning the value of Pi that corresponded to `3.142`. By the 3rd century B.C the great Greek mathematician Archimedes started by calculating the perimeter of two hexagons, being one of them inscribed and the other circumscribed in the circumference. Almost at the same time, the Babylonians got the most approached estimated value of `3.125`. As we have said before, the Egyptians managed the closest value of `3.16`. There were several ancient civilizations that tried to find the most approached value of pi. This value is always the same no matter the size of the circumference! How did pi develop? It is represented by the Greek letter `pi` and it is used to designate the ratio between the length of a circumference and its diameter. Starting with a simple explanation, it is just a number. Some of the ancient papyrus show that Egyptians gave pi the value of `3.16`. However, at that time it did not have the name of the Greek letter made it famous. The history concerning the emergence of pi goes back to the ancient Egypt, that is, to more than 4000 years ago.
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