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  2. Parallelogon - Wikipedia

    en.wikipedia.org/wiki/Parallelogon

    A parallelogon is constructed by two or three pairs of parallel line segments. ... Every convex parallelogon is a zonogon, but hexagonal parallelogons enable the ...

  3. Convex polygon - Wikipedia

    en.wikipedia.org/wiki/Convex_polygon

    An example of a convex polygon: a regular pentagon. In geometry, a convex polygon is a polygon that is the boundary of a convex set. This means that the line segment between two points of the polygon is contained in the union of the interior and the boundary of the polygon. In particular, it is a simple polygon (not self-intersecting). [1]

  4. Parallelohedron - Wikipedia

    en.wikipedia.org/wiki/Parallelohedron

    Every parallelohedron is a stereohedron, a convex polyhedron that tiles space in such a way that there exist symmetries of the tiling that take any other tile. A plesiohedron is a related class of three-dimensional space-filling polyhedra, formed from the Voronoi diagrams of periodic sets of points. [ 14 ]

  5. List of polygons, polyhedra and polytopes - Wikipedia

    en.wikipedia.org/wiki/List_of_polygons...

    Regular polyhedron. Platonic solid: . Tetrahedron, Cube, Octahedron, Dodecahedron, Icosahedron; Regular spherical polyhedron. Dihedron, Hosohedron; Kepler–Poinsot ...

  6. Conway criterion - Wikipedia

    en.wikipedia.org/wiki/Conway_criterion

    Conway was likely inspired by Martin Gardner's July 1975 column in Scientific American that discussed which convex polygons can tile the plane. [6] In August 1975, Gardner revealed that Conway had discovered his criterion while trying to find an efficient way to determine which of the 108 heptominoes tile the plane.

  7. List of polygons - Wikipedia

    en.wikipedia.org/wiki/List_of_polygons

    A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles. In geometry, a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain.

  8. Convex geometry - Wikipedia

    en.wikipedia.org/wiki/Convex_geometry

    Convex geometry is a relatively young mathematical discipline. Although the first known contributions to convex geometry date back to antiquity and can be traced in the works of Euclid and Archimedes, it became an independent branch of mathematics at the turn of the 20th century, mainly due to the works of Hermann Brunn and Hermann Minkowski in dimensions two and three.

  9. Tilings and patterns - Wikipedia

    en.wikipedia.org/wiki/Tilings_and_patterns

    §9.1 Tilings by polygons, triangular tiling, quadrilteral tiling, pentagonal tiling, hexagonal tiling, parallelogon, §9.2 non-convex polygon tilings, ...