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  2. 1/3 - Wikipedia

    en.wikipedia.org/wiki/1/3

    1 ⁄ 3, a fraction of one third, or 0. 3 in decimal. pre-decimal British sterling currency of 1 shilling and 3 pence; 1st Battalion, 3rd Marines, United States infantry battalion; One/Three, a 20; Loona 1/3, a Loona spin-off

  3. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    The fraction of points inside the circle approaches π/4 as points are added. ... Besides its simple continued fraction representation [3; 7, 15, 1, 292, 1, 1, ...

  4. Milü - Wikipedia

    en.wikipedia.org/wiki/Milü

    An easy mnemonic helps memorize this fraction by writing down each of the first three odd numbers twice: 1 1 3 3 5 5, then dividing the decimal number represented by the last 3 digits by the decimal number given by the first three digits: 1 1 3 分之(fēn zhī) 3 5 5. (In Eastern Asia, fractions are read by stating the denominator first ...

  5. Circle packing - Wikipedia

    en.wikipedia.org/wiki/Circle_packing

    In geometry, circle packing is the study of the arrangement of circles ... (ratio of 0.6375559772 with packing fraction (area density) of 0.910683). [8]

  6. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.

  7. Circle - Wikipedia

    en.wikipedia.org/wiki/Circle

    The result corresponds to ⁠ 256 / 81 ⁠ (3.16049...) as an approximate value of π. [3] Book 3 of Euclid's Elements deals with the properties of circles. Euclid's definition of a circle is: A circle is a plane figure bounded by one curved line, and such that all straight lines drawn from a certain point within it to the bounding line, are equal.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Ford circle - Wikipedia

    en.wikipedia.org/wiki/Ford_circle

    The Ford circle associated with the fraction / is denoted by [/] or [,]. There is a Ford circle associated with every rational number . In addition, the line y = 1 {\displaystyle y=1} is counted as a Ford circle – it can be thought of as the Ford circle associated with infinity , which is the case p = 1 , q = 0. {\displaystyle p=1,q=0.}