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How was the number π first discovered? How did we first figure out it was 3.14…?
- byoung2 8y agohttps://en.wikipedia.org/wiki/Pi#History https://en.wikipedia.org/wiki/Pi#History offers a few explanations from different eras
- greenyoda 8y agoPi is defined as the ratio of a circle's circumference to it's diameter. Someone could have discovered that this ratio was a constant just by measuring circles of different sizes and noticing that if you divide the circumference by the diameter, you always got roughly the same number. By ancient times, the value of pi was already known to within 1%: https://en.wikipedia.org/wiki/Pi#Antiquity https://en.wikipedia.org/wiki/Pi#Antiquity