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History of Pi By, Travis Nitko

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The Beginning The first time Pi was used in an equation was when Archimedes used it to find the area of a circle with a inscribed regular polygon in the circle.

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What Is Pi Pi is the value of the ratio of a circle’s diameter to it’s circumference. It is used throughout engineering, science and math so it’s one of the most important symbols in mathmatics.

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Example of Pi If you want to find the circumference of a circle and you already know the radius. You have to multiply the radius by 2 and then multiply it by pi.

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Approximation

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The Symbol The idea of the pi symbol came from William Jones who was an English mathematician in 1706.

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