degenerate triangle, one with collinear vertices. Unlike a rectangle, which may collapse into a parallelogram from pressure to one of its points, triangles are...

of a rectangle) the Delaunay triangulation is not unique: each of the two possible triangulations that split the quadrangle into two triangles satisfies...

tetratetrahedron, snub tetrahedron, and pseudo-icosahedron. This can be seen as an alternated truncated octahedron. If all the triangles are equilateral, the symmetry...

be covered not with arbitrary rectangles but with rectangles from a finite family. Finding the smallest set of triangles covering a given polygon is NP-hard...

coordinate of the search rectangle. If the median is less than the xlow coordinate of the search rectangle, then no rectangle in the left branch can ever...

geometry, a partition of a polygon is a set of primitive units (e.g., triangles, rectangles, etc.), which do not overlap and whose union equals the polygon...

grid of small triangles. The triangles are arranged in groups of six to make hexagons. The name suggests the use for isometric views or pseudo-three-dimensional...

every triangle is 180° (triangle postulate). There exists a triangle whose angles add up to 180°. The sum of the angles is the same for every triangle. There...

Philippines but currently under Malaysian sovereignty. The flag's triangle is changed into a rectangle to accommodate the fourth star. According to Osorio, the...

nonregular faces. For example an nonuniform cantellated form may have rectangles created in place of the edges rather than squares. See Prismatic uniform...

not necessarily) a convex plane-filling polygon, such as a square or a triangle. More specific names have been given to polyforms resulting from specific...

algorithms, 2D computer graphics, graphical user interface libraries. 2.5D Also pseudo 3D. Rendering whose result looks 3D while actually not being 3D or having...

contained within the lower triangle. Two unit uniform deviates U1 and U2 are chosen, and before they are scaled to the rectangle enclosing the odd-shaped...

postulate. Another example is al-Tusi's son, Sadr al-Din (sometimes known as "Pseudo-Tusi"), who wrote a book on the subject in 1298, based on al-Tusi's later...

domain triangle is denoted (p q r), where p, q, r are whole numbers > 1, i.e. ≥ 2; a fundamental domain right triangle is denoted (p q 2). The triangle may...

is always less than 360°; there are no equidistant lines, so a proper rectangle would need to be enclosed by two lines and two hypercycles; parallel-transporting...

symmetric (therefore, for example, the unit ball may be a rectangle but cannot be a triangle, and p ≥ 1 {\displaystyle p\geq 1} for a p {\displaystyle...

second volume. This only requires a small change in line 11-12 of the above pseudo-code. Similar optimizations during BVH traversal can be employed when descending...

This 3-uniform tiling has 3 triangle types, with same shape, and 1 square type. The herringbone pattern has 1 rectangle type. This pentagonal tiling...

of 15 monohedral pentagon tilings All tiling elements are identical pseudo‑triangles by disregarding their colors and ornaments The Voderberg tiling, a...

projections map the whole Earth as a finite rectangle, except in the first two cases, where the rectangle stretches infinitely tall while retaining constant...

rectangles (or dominoes) such that each pair of touching rectangles shares exactly one edge, of length 1, and the adjacency graph of the rectangles is...

geometry was used by Einstein in the development of general relativity and pseudo-Riemannian geometry. The subject of modern differential geometry emerged...

source of geometric problems throughout history. Riemannian geometry and pseudo-Riemannian geometry are used in general relativity. String theory makes...

their behaviour Quincunx – Pattern of five points, four in a square or rectangle and a fifth at its center Random number generation – Producing a sequence...

MathWorld Aronov, Boris; Sharir, Micha (1 November 2002). "Cutting Circles into Pseudo-Segments and Improved Bounds for Incidences% and Complexity of Many Faces"...

certain parameters, for example quickly creating rounded rectangles, etc. Shapes include: Rectangles, Ellipses, Stars, Spirals, Cogs, Petals, etc. Freeform...

stands for the syllables of the National Motto of Greece. Blue canton (rectangle in the upper hoist-side corner of the flag) of square shape, five stripes...

sampling where the "proposal distribution" is uniform. Hence its graph is a rectangle. The general form of rejection sampling assumes that the board is not...

His work frequently included geometric shapes like circles, rectangles, and triangles, leading to his reputation as a pioneer of scientifically oriented...