Pi is the number you get by dividing a circle's circumference by its diameter. It is irrational. It is 3.1415926535897. Every generation, people figured out another few didgets of pi.
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There have been many estimations of Pi by many scientists over the years. To answser this questions, more information is needed. You might also see the link on the history of Pi.
the founder of trigonometry, algebra & calculus is a hindu (india) mathematician BUDHAYANA. =]
pi = 3.1415926535897932384626433832795... pi to the tenths = 3.1 pi to the hundredths = 3.14 pi to the thousandths = 3.142 pi to the ten-thousandths = 3.1416 pi to the 10th decimal places = 3.1415926536 etc. ============================
Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.Just divide 56 by pi. Pi is approximate 3.14; or use the "pi" key on your scientific calculator.
d * pi or 2 * r * pi Where d is diameter and r is radius and pi = 3.14159