• Thumbnail for Reuleaux polygon
    In geometry, a Reuleaux polygon is a curve of constant width made up of circular arcs of constant radius. These shapes are named after their prototypical...
    7 KB (669 words) - 07:07, 2 April 2025
  • Thumbnail for Reuleaux triangle
    square, the Reuleaux triangle is also sometimes known as the Reuleaux rotor. The Reuleaux triangle is the first of a sequence of Reuleaux polygons whose boundaries...
    57 KB (6,500 words) - 06:52, 2 June 2025
  • Reuleaux may refer to: Franz Reuleaux (1829–1905), German mechanical engineer and lecturer in geometry: Reuleaux polygon, a curve of constant width Reuleaux...
    489 bytes (95 words) - 10:48, 10 September 2022
  • segment Crescent Lens, vesica piscis (fish bladder) Lune Quatrefoil Reuleaux polygon Reuleaux triangle Salinon Semicircle Tomahawk Trefoil Triquetra Archimedean...
    5 KB (399 words) - 18:05, 14 March 2025
  • Thumbnail for Reinhardt polygon
    Reinhardt polygon is an equilateral polygon inscribed in a Reuleaux polygon. As in the regular polygons, each vertex of a Reinhardt polygon participates...
    9 KB (1,122 words) - 07:19, 14 April 2025
  • Thumbnail for Curve of constant width
    construction generates a Reuleaux triangle from an equilateral triangle. Some irregular polygons also generate Reuleaux polygons. In a closely related construction...
    29 KB (3,608 words) - 18:20, 13 August 2024
  • equilateral polygon is inscribed in a Reuleaux polygon, it forms a Reinhardt polygon. Among all convex polygons with the same number of sides, these polygons have...
    5 KB (547 words) - 19:22, 28 June 2024
  • version featuring Elizabeth II. The coin's outline is an 11-sided Reuleaux polygon. Its diameter of 26.5 mm (1.04 in) and its 11-sidedness match that...
    53 KB (3,571 words) - 16:54, 29 May 2025
  • Thumbnail for Coinage shapes
    with holes in the middle. Coins in the shape of polygons often have rounded edges or are Reuleaux polygons. This article focuses mainly on circulating coins;...
    23 KB (2,176 words) - 14:41, 27 May 2025
  • Thumbnail for Barbier's theorem
    equal to πw. A similar analysis of other simple examples such as Reuleaux polygons gives the same answer. One proof of the theorem uses the properties...
    6 KB (669 words) - 05:01, 15 September 2024
  • Thumbnail for Scrollerwheel
    results in a cammed motion), various varieties of superellipses and Reuleaux polygons. Unlike conventional rolling-element bearings, they do not require...
    2 KB (243 words) - 22:43, 9 January 2024
  • Geometrically, the shape of the coin forms an equilateral-curve heptagon, or Reuleaux polygon, a curve of constant width, meaning that the diameter is constant across...
    47 KB (2,115 words) - 17:46, 4 May 2025
  • Thumbnail for Triangle
    A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero-dimensional...
    55 KB (6,518 words) - 21:25, 19 June 2025
  • Thumbnail for Heptagon
    Heptagon (category Polygons by the number of sides)
    In geometry, a heptagon or septagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using septa- (an elision...
    15 KB (1,746 words) - 01:33, 22 June 2025
  • Thumbnail for Hendecagon
    Hendecagon (category Polygons by the number of sides)
    hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka "eleven" and –gon "corner", is...
    10 KB (971 words) - 17:28, 26 February 2025
  • Thumbnail for Inscribed figure
    with one side coinciding with part of the triangle's longest side. A Reuleaux triangle, or more generally any curve of constant width, can be inscribed...
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  • case of the biggest little polygon problem, and found the Reinhardt polygons, equilateral polygons inscribed in Reuleaux polygons that solve several related...
    8 KB (825 words) - 21:34, 8 October 2024
  • Thumbnail for Equilateral triangle
    Equilateral triangle (category Constructible polygons)
    equal. Because of these properties, the equilateral triangle is a regular polygon, occasionally known as the regular triangle. It is the special case of...
    25 KB (2,644 words) - 16:15, 29 May 2025
  • Thumbnail for Zindler curve
    density ρ that floats in any orientation. Curve of constant width Reuleaux polygon Bor, Gil; Levi, Mark; Perline, Ron; Tabachnikov, Sergei (2018). "Tire...
    7 KB (1,143 words) - 19:04, 4 January 2024
  • Thumbnail for Kite (geometry)
    vertices lie at the three corners and one of the side midpoints of the Reuleaux triangle. An equidiagonal kite is a special case of a midsquare quadrilateral...
    38 KB (3,800 words) - 16:41, 11 April 2025
  • theorem, every curve of constant width has perimeter π times its width. The Reuleaux triangle (formed by the intersection of three circles with the sides of...
    147 KB (17,240 words) - 16:25, 21 June 2025
  • Thumbnail for Kovner–Besicovitch measure
    possible Kovner–Besicovitch measure is the Reuleaux triangle. The Kovner–Besicovitch measure of any given convex polygon with n {\displaystyle n} vertices can...
    5 KB (467 words) - 17:22, 18 April 2024
  • B-spline Nonuniform rational B-spline Ogee Loess curve Lowess Polygonal curve Maurer rose Reuleaux triangle Bézier triangle Caustic including Catacaustic and...
    46 KB (3,547 words) - 00:42, 27 May 2025
  • Thumbnail for Four-vertex theorem
    Four-vertex theorem (category Polygons)
    least six vertices. Although many curves of constant width, such as the Reuleaux triangle, are non-smooth or have circular arcs on their boundaries, there...
    14 KB (1,729 words) - 01:54, 16 December 2024
  • representation of conic sections Dandelin spheres Curve of constant width Reuleaux triangle Frieze group Golden angle Holditch's theorem Interactive geometry...
    13 KB (938 words) - 15:07, 19 June 2025
  • Thumbnail for Polyhedral map projection
    associate around 1514, which transforms the faces of an octahedron to Reuleaux triangles. Christian Gottlieb Reichard created a polyhedral globe based...
    9 KB (964 words) - 01:07, 18 May 2025
  • Syntractrix Tractrix Trochoid Bézier curve Loess curve Lowess Ogee Polygonal curve Maurer rose Reuleaux triangle Stadium Splines B-spline Nonuniform rational B-spline...
    7 KB (530 words) - 16:34, 2 December 2024
  • an even sided regular polygon. In principle, there are infinitely many polycons, as many as there are even sided regular polygons. Most members of the...
    10 KB (1,352 words) - 07:54, 30 May 2025
  • Thumbnail for Linkage (mechanical)
    the intersection of geometry and computer science. In the late 1800s F. Reuleaux, A. B. W. Kennedy, and L. Burmester formalized the analysis and synthesis...
    26 KB (3,493 words) - 16:04, 5 February 2025
  • three circular disks forms a convex circular triangle. For instance, a Reuleaux triangle is a special case of this construction where the three disks are...
    6 KB (725 words) - 06:15, 24 March 2025