Top 10 pi Facts 

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Pi is a mathematical constant 

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Pi represents ratio if circle circumference to its diameter

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It was first used by mathematician William jones in 1706

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Egyptians calculated pie value approximately 3.14

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Archimedes was credited for accurate calculation 

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Pi day is celebrated on march 14th every year  to honor constant 

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It is used every where to create objects such as buildings ,bridges and spacecrafts 

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In fluid mechanics, waves and physics pi is used 

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