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  2. List of spirals - Wikipedia

    en.wikipedia.org/wiki/List_of_spirals

    For <, spiral-ring pattern; =, regular spiral; >, loose spiral. R is the distance of spiral starting point (0, R) to the center. R is the distance of spiral starting point (0, R) to the center. The calculated x and y have to be rotated backward by ( − θ {\displaystyle -\theta } ) for plotting.

  3. File:Spirals.svg - Wikipedia

    en.wikipedia.org/wiki/File:Spirals.svg

    Download QR code; In other projects Appearance. move to sidebar hide ... English: A spiral made in inkscape. Date: 31 May 2009, 05:26 (UTC) Source: Own work: Author ...

  4. File:Fibonacci spiral 34.svg - Wikipedia

    en.wikipedia.org/wiki/File:Fibonacci_spiral_34.svg

    Den gyldne spiral; Usage on el.wikipedia.org Χρυσή τομή; Usage on en.wikibooks.org User:Mateuszica~enwikibooks/God and Mathematics; Usage on en.wikiquote.org Fibonacci numbers; Usage on es.wikipedia.org Espiral dorada; Usage on et.wikipedia.org Fibonacci jada; Mustrid looduses; Usage on fa.wikipedia.org سری فوریه; بسط تیلور

  5. File:Golden triangle and Fibonacci spiral.svg - Wikipedia

    en.wikipedia.org/wiki/File:Golden_triangle_and...

    The following other wikis use this file: Usage on bs.wikipedia.org Zlatni trougao; Usage on ckb.wikipedia.org سێگۆشەی زێڕین; Usage on eo.wikipedia.org

  6. File:Fibonacci spiral.svg - Wikipedia

    en.wikipedia.org/wiki/File:Fibonacci_spiral.svg

    Download QR code; In other projects Appearance. move to sidebar hide ... Heavier strokes on spiral so it will show up without being so big. 2006-08-26 02:35:

  7. Golden spiral - Wikipedia

    en.wikipedia.org/wiki/Golden_spiral

    Approximate and true golden spirals: the green spiral is made from quarter-circles tangent to the interior of each square, while the red spiral is a golden spiral, a special type of logarithmic spiral. Overlapping portions appear yellow. The length of the side of a larger square to the next smaller square is in the golden ratio.

  8. Pitch angle of a spiral - Wikipedia

    en.wikipedia.org/wiki/Pitch_angle_of_a_spiral

    In the geometry of spirals, the pitch angle [1] or pitch [2] of a spiral is the angle made by the spiral with a circle through one of its points, centered at the center of the spiral. Equivalently, it is the complementary angle to the angle made by the vector from the origin to a point on the spiral, with the tangent vector of the spiral at the ...

  9. Doyle spiral - Wikipedia

    en.wikipedia.org/wiki/Doyle_spiral

    A Doyle spiral of type (8,16) printed in 1911 in Popular Science as an illustration of phyllotaxis. [1] One of its spiral arms is shaded. In the mathematics of circle packing, a Doyle spiral is a pattern of non-crossing circles in the plane in which each circle is surrounded by a ring of six tangent circles.