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Who found the first known value of pi?
the founder of the longest pi is...
What time was Mercury found?
Both the planet Mercury and the substance (element) mercury have been known since ancient times. When either was first noticed is not known.
Who were the first group of people known to calculate the area of a circle using a pi approximation of 3?
It is not known. The Rhind Papyrus describes how the area of a circle is related to pi where pi was estimated as (4/3)4 ≈ 3.1605 (approx). The Rhind Papyrus dates from around 1700 BCE. So either very ancient people used pi = 3 or else they were later people who were dogmatically required to use pi = 3.
What country is known to have found algebra?
Germany
Why is number 1 known as the best number?
The number 1 is known as the best number because of it representing "first place". In competitions, when someone comes in first place it means they have won. Because of competitions, the number 1 has been linked in people's minds to winning; making it known as the best number.
