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  2. Squaring the circle - Wikipedia

    en.wikipedia.org/wiki/Squaring_the_circle

    Squaring the circle is a problem in geometry first proposed in Greek mathematics.It is the challenge of constructing a square with the area of a given circle by using only a finite number of steps with a compass and straightedge.

  3. Alchemical symbol - Wikipedia

    en.wikipedia.org/wiki/Alchemical_symbol

    The squared circle: an alchemical symbol (17th century) illustrating the interplay of the four elements of matter symbolising the philosopher's stone. Antimony ♁ (in Newton), also ; Arsenic 🜺 Bismuth ♆ (in Newton), 🜘 (in Bergman) Cobalt (approximately 🜶) (in Bergman) Manganese (in Bergman)

  4. Wrestling ring - Wikipedia

    en.wikipedia.org/wiki/Wrestling_ring

    The configuration and construction of the traditional wrestling ring closely resembles that of a boxing ring. Like boxing rings, wrestling rings are also known by the poetic name of the "squared circle", which derives from how combative exhibitions would often be held in a roughly drawn circle on the ground. [1]

  5. Boxing ring - Wikipedia

    en.wikipedia.org/wiki/Boxing_ring

    The first square ring was introduced by the Pugilistic Society in 1838. That ring was specified as 24 feet (7.3 m) square and bound by two ropes. For these and other reasons, the boxing ring is commonly referred to as the "squared circle". The term "ringside seat" dates as far back as the 1860s. [2]

  6. Squared circle - Wikipedia

    en.wikipedia.org/wiki/Squared_circle

    View history; General What links here; Related changes; Upload file; Special pages; ... Squared circle may refer to: Boxing ring; Wrestling ring; Squared-circle postmark;

  7. Quadrature (geometry) - Wikipedia

    en.wikipedia.org/wiki/Quadrature_(geometry)

    In mathematics, particularly in geometry, quadrature (also called squaring) is a historical process of drawing a square with the same area as a given plane figure or computing the numerical value of that area. A classical example is the quadrature of the circle (or squaring the circle).

  8. Area of a circle - Wikipedia

    en.wikipedia.org/wiki/Area_of_a_circle

    Circle with square and octagon inscribed, showing area gap. Suppose that the area C enclosed by the circle is greater than the area T = cr/2 of the triangle. Let E denote the excess amount. Inscribe a square in the circle, so that its four corners lie on the circle. Between the square and the circle are four segments.

  9. The Fabulous Moolah - Wikipedia

    en.wikipedia.org/wiki/The_Fabulous_Moolah

    Moolah claimed in her book, First Goddess of the Squared Circle, that she formed friendships with Elvis Presley and Jerry Lee Lewis. [25] After June Byers retired in 1964, Moolah was subsequently recognized as official NWA Champion, thus making her the undisputed Women's World Champion. [26]