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Mawra Hocane , asked a question
Subject: Math , asked on 29/11/10

can any1 tell me about investigation of various historical aspects of the number pi

Tamanna Singh , added an answer, on 19/5/12
3 helpful votes in Math

 That the ratio of the circumference to the diameter of a circle is the same for all circles, and that it is slightly more than 3, was known to ancient Egyptian, Babylonian, Indian and Greek geometers. The earliest known approximations date from around 1900 BC; they are 25/8 (Babylonia) and 256/81 (Egypt), both within 1% of the true value.[1] The Indian text Shatapatha Brahmana gives π as 339/108 ≈ 3.139. The Tanakh appears to suggest, in the Book of Kings, that π = 3, which is notably worse than other estimates available at the time of writing (600 BC). The interpretation of the passage is disputed,[21][22] as some believe the ratio of 3:1 is of an exterior circumference to an interior diameter of a thinly walled basin, which could indeed be an accurate ratio, depending on the thickness of the walls

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Aswanth Mr , added an answer, on 18/8/14

investigate the various ascepts of number pi

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