How old was Euclid when he discovered pi?

Answer 1

Euclid did not discover pi; rather, he is known for his work in geometry, particularly for his influential work, "Elements." The concept of pi, representing the ratio of a circle's circumference to its diameter, was known to ancient civilizations before Euclid's time. While the exact date of Euclid's life is uncertain, he is believed to have lived around 300 BCE, long before the value of pi was rigorously defined.