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Quadrilateral with four right angles
In Euclidean plane geometry, a rectangle is a rectilinear convex polygon or a quadrilateral with four right angles. It can also be defined as: an equiangular
Rectangle
Rectangle with side lengths in the golden ratio
In geometry, a golden rectangle is a rectangle with side lengths in aspect ratio φ : 1 {\displaystyle \varphi :1} , the golden ratio, where φ = 1 2
Golden_rectangle
A perfect rectangle is a rectangle that can be divided into squares of different sizes. If a perfect rectangle is specifically a square, it is analogously
Perfect_rectangle
Number, approximately 1.618
icosahedron. A golden rectangle – that is, a rectangle with an aspect ratio of φ – may be cut into a square and a smaller rectangle with the same aspect
Golden_ratio
Optimization problem in mathematics
Rectangle packing is a packing problem where the objective is to determine whether a given set of small rectangles can be placed inside a given large polygon
Rectangle_packing
Protoplanetary nebula in the constellation Monoceros
The Red Rectangle, so called because of its red color and unique rectangular shape, is a protoplanetary nebula in the constellation Monoceros. The nebula
Red_Rectangle
American DJ (born 1970)
Scott Kluesner (born July 13, 1970), also known as DJ Rectangle, is an American disc jockey, turntablist, and record producer. Once based in Los Angeles
DJ_Rectangle
Geometric shape
A dynamic rectangle is a right-angled, four-sided figure (a rectangle) with dynamic symmetry which, in this case, means that aspect ratio (width divided
Dynamic_rectangle
Four squares connected edge-to-edge
tetrominoes can fit rectangles with holes: All 5 free tetrominoes fit a 7×3 rectangle with a hole. All 7 one-sided tetrominoes fit a 6×5 rectangle with two holes
Tetromino
centered white cross that extends to the edges divides the flag into four rectangles − the top ones are ultramarine blue (hoist side) and vermilion red, and
List of national flags of sovereign states
List_of_national_flags_of_sovereign_states
Matrix with symbols that each occur once per row and column
In combinatorial mathematics, a Latin rectangle is an r × n matrix (where r ≤ n), using n symbols, usually the numbers 1, 2, 3, ..., n or 0, 1, ..., n
Latin_rectangle
Rectangular tilings using various shapes of rectangles
A tiling with rectangles is a tiling which uses rectangles as its parts. The domino tilings are tilings with rectangles of 1 × 2 side ratio. The tilings
Tiling_with_rectangles
Gridded latitude-longitude-based area notation system
ICES Statistical Rectangles (aka "ICES Rectangles") is a gridded, latitude-longitude based area notation system covering the north-east Atlantic region
ICES_Statistical_Rectangles
Two-dimensional packing problem
larger squares from 49 onwards. Dense packings of circles in non-square rectangles have also been the subject of investigations. Square packing in a circle
Circle_packing_in_a_square
Approximation technique in integral calculus
area of functions or lines on a graph, where it is also known as the rectangle rule. It can also be applied for approximating the length of curves and
Riemann_sum
largest empty rectangle problem, maximal empty rectangle problem or maximum empty rectangle problem, is the problem of finding a rectangle of maximal size
Largest_empty_rectangle
Shape with four equal sides and angles
are special cases of rectangles, which have four equal angles, and of rhombuses, which have four equal sides. As with all rectangles, a square's angles
Square
Graphical symbol or pictogram used to point or indicate direction
triangle, chevron, or concave kite, usually affixed to a line segment or rectangle, and in more complex forms a representation of an actual arrow (e.g.,
Arrow_(symbol)
Cutting a square from a rectangle
Rabatment of the rectangle is a compositional technique used as an aid for the placement of objects or the division of space within a rectangular frame
Rabatment_of_the_rectangle
Romantic relationship involving three people
A love triangle is a scenario or circumstance, usually depicted as a rivalry, in which two people are pursuing or involved in a romantic relationship with
Love_triangle
Size of a two-dimensional surface
of a rectangle. Given a rectangle with length l and width w, the formula for the area is: A = lw (rectangle). That is, the area of the rectangle is the
Area
Quadrilateral with two pairs of parallel sides
παραλληλό-γραμμον, parallēló-grammon, which means "a shape of parallel lines". Rectangle – A parallelogram with four right angles. Rhombus – A parallelogram with
Parallelogram
Mathematical problem
Dividing a square into similar rectangles (or, equivalently, tiling a square with similar rectangles) is a problem in mathematics. There is only one way
Dividing a square into similar rectangles
Dividing_a_square_into_similar_rectangles
Rectangle constructed from 4 right-angled triangles
The Ailles rectangle is a rectangle constructed from four right-angled triangles which is commonly used in geometry classes to find the values of trigonometric
Ailles_rectangle
Error notice displayed by the Amiga computer
Guru Meditation is an error notice originally displayed by the Amiga computer when it crashes. It is analogous to the "Blue Screen of Death" in Microsoft
Guru_Meditation
Aspect ratio with a width of 16 units and height of 9 units
aspect ratio rectangles fit within an outer rectangle with an aspect ratio of 1.77:1 and all of them also covered a smaller common inner rectangle with the
16:9_aspect_ratio
Number, approximately 2.41421
the alias silver rectangle for the √2 rectangle, which is commonly used now. In this article that name is reserved for the σ rectangle. Knott, Ron (2015)
Silver_ratio
Number, approximately 1.46557
supergolden rectangle is a rectangle whose side lengths are in a ψ : 1 {\displaystyle \psi :1} ratio. Compared to the golden rectangle, the supergolden
Supergolden_ratio
Tool for structural analysis
The semiotic square, also known as the Greimas square, is a tool used in structural analysis of the relationships between semiotic signs through the opposition
Semiotic_square
Quadrilateral with sides of equal length
rhombus is a rectangle: A rhombus has all sides equal, while a rectangle has all angles equal. A rhombus has opposite angles equal, while a rectangle has opposite
Rhombus
Polygon in which all angles are right
of this type are rectangles, and the term axis-aligned rectangle is preferred, although orthogonal rectangle and rectilinear rectangle are in use as well
Rectilinear_polygon
Limiting case which is different from the rest of the class
undefined. A rectangle with one pair of opposite sides of length zero degenerates to a line segment, with zero area. If both of the rectangle's pairs of opposite
Degeneracy_(mathematics)
Geometrical GCD and LCM algorithm
divisor (GCD) of two natural numbers. It makes use of reflections inside a rectangle that has sides with length of the two given numbers. This is a simple
Arithmetic_billiards
Mathematical paradox and logic puzzle
8 units is cut into four pieces. Those four pieces are used to form a rectangle with side lengths of 13 and 5 units. Hence the combined area of all four
Chessboard_paradox
Record label
Rectangle is a French independent record label established in Paris by Quentin Rollet and Noël Akchoté in 1994. It started specializing in vinyl releases
Rectangle_(label)
Human-caused changes to climate on Earth
trendlines show short periods that mask longer-term warming trends (red trendlines). Blue rectangle with blue dots shows the so-called global warming hiatus.
Climate_change
On distances from opposite corners to a point inside a rectangle
chosen inside a rectangle ABCD then the sum of the squares of the Euclidean distances from P to two opposite corners of the rectangle equals the sum to
British_flag_theorem
1986 nuclear accident in the Soviet Union
II reactor vessels, a design classification of commercial reactors built until the end of the 1990s. The RBMK reactor is depicted as a gray rectangle.
Chernobyl_disaster
Smallest rectangle which encloses some planar set of points
In computational geometry, the minimum bounding rectangle (MBR), also known as bounding box (BBOX) or envelope, is an expression of the maximum extents
Minimum_bounding_rectangle
Discrete mathematics decomposition
decomposition of a rectangle into finitely many interior-disjoint rectangles. The size of a rectangulation describes the number of rectangles used in the decomposition
Rectangulations
Relation between sides of a right triangle
four triangles are moved to form two similar rectangles with sides of length a and b. These rectangles in their new position have now delineated two
Pythagorean_theorem
Attribute of a geometric shape
the aspect ratio of a rectangle is the ratio of its longer side to its shorter side—the ratio of width to height, when the rectangle is oriented as a "landscape"
Aspect_ratio
Topics referred to by the same term
Peloponnese, Greece Diagon Alley, a place in Harry Potter Root-2 rectangle, a dynamic rectangle produced by projecting the diagonal of a square Diagonal (disambiguation)
Diagon
Triangle containing a 90-degree angle
B.} Every right triangle is half of a rectangle which has been divided along its diagonal. When the rectangle is a square, its right-triangular half
Right_triangle
Semantic relations involving the type-of property
Hypernymy and hyponymy are the semantic relations between a generic term (hypernym) and a more specific term (hyponym). The hypernym is also called a supertype
Hypernymy_and_hyponymy
Four-sided polygon
Parallelograms include rhombi (including those rectangles called squares) and rhomboids (including those rectangles called oblongs). In other words, parallelograms
Quadrilateral
Geometrical property of a bar's cross-section
The torsion constant or torsion coefficient is a geometrical property of a bar's cross-section. It is involved in the relationship between angle of twist
Torsion_constant
Object-oriented programming principle
the Rectangle class. class Square : public Rectangle { public: void setWidth(double width) noexcept override { Rectangle::setWidth(width); Rectangle::setHeight(width);
Liskov_substitution_principle
Algorithm for computing greatest common divisors
a and b exactly. The sides of the rectangle can be divided into segments of length c, which divides the rectangle into a grid of squares of side length
Euclidean_algorithm
Smallest box which encloses some set of points
computation. In the two-dimensional case it is called the minimum bounding rectangle. The axis-aligned minimum bounding box (or AABB) for a given point set
Minimum_bounding_box
2024 studio album by Caroline Shaw and So Percussion
Rectangles and Circumstance is a collaborative album by American classical composer Caroline Shaw and percussion quartet So Percussion. It was released
Rectangles_and_Circumstance
Self-similar curve related to golden ratio
starts with a rectangle partitioned into 2 squares. In each step, a square the length of the rectangle's longest side is added to the rectangle. Since the
Golden_spiral
printing, corrected and expanded, 1988., chapter 8: "The Geometry of Rectangles" Prabir Bhattacharya; Azriel Rosenfeld (1990). "Contour Codes of Isothetic
Isothetic_polygon
Problems which attempt to find the most efficient way to pack objects into containers
possible to pack 147 rectangles of size (137,95) in a rectangle of size (1600,1230). Packing different rectangles in a rectangle: The problem of packing
Packing_problems
Family of closed mathematical curves
but defined by an equation that allows for various shapes between a rectangle and an ellipse. In two dimensional Cartesian coordinate system, a superellipse
Superellipse
Data structures used in spatial indexing
bounding rectangle in the next higher level of the tree; the "R" in R-tree is for rectangle. Since all objects lie within this bounding rectangle, a query
R-tree
horizontal stripes, alternating red and white starting with red, with a blue rectangle in the canton bearing fifty small, white, five-pointed stars arranged
Flag_of_the_United_States
Form of cryptanalysis
boomerang attack have been published: the amplified boomerang attack, and the rectangle attack. Due to the similarity of a Merkle–Damgård construction with a
Boomerang_attack
Exception to a proposed general rule
wishes to prove certain theorems about them. She conjectures that "All rectangles are squares", and she is interested in knowing whether this statement
Counterexample
Positive real number which when multiplied by itself gives 5
constructed as the diagonal of a 2 × 1 {\displaystyle 2\times 1} unit rectangle. 5 {\displaystyle {\sqrt {5}}} also appears throughout in the metrical
Square_root_of_5
Generalization of golden and silver ratios
rectangle n squares of side length W, one gets a rectangle similar to the original rectangle; that is, a rectangle with the same ratio of the length to the width
Metallic_mean
Capital city of the United States
The L'Enfant Plan featured broad streets and avenues radiating out from rectangles, providing room for open space and landscaping. L'Enfant was also provided
Washington,_D.C.
Military situation in Ukraine at the end of WW1
(Ukrainian: Чотирикутник смерті, romanized: Chotyrykutnyk smerti) or Rectangle of Death (Ukrainian: Прямокутник смерті, romanized: Pryamokutnyk smerti)
Ukrainian_Death_Triangle
the raising side of the flag. It was adopted on 25 July 1965. The red rectangle represents the blood of the nation's heroes, and their willingness to
Flag_of_the_Maldives
Visualisation method for hierchical data
usually rectangles. Treemaps display hierarchical (tree-structured) data as a set of nested rectangles. Each branch of the tree is given a rectangle, which
Treemapping
Optical illusion
motion. An equivalent static version of illusion is composed of a gray rectangle where the left half fades to a lighter shade as it approaches a vertical
Cornsweet_illusion
stars, stripes, and suns – layout elements such as including a canton (a rectangle with a distinct design, such as another national flag), and the overall
List of national flags by design
List_of_national_flags_by_design
International standard for paper sizes, including A4
sometimes called "A4 rectangles" or "silver rectangles". In other contexts, the term "silver rectangle" can also refer to a rectangle in the proportion 1:(1 + √2)
International standard paper sizes
International_standard_paper_sizes
Diagram that represents a workflow or process
Single documents represented as a rectangle with a wavy base. Multiple documents represented as a stack of rectangles with wavy bases. Manual operation
Flowchart
Ancient Greek geometer and astronomer (c. 240–190 BC)
discussed a similar problem requiring the rectangle contained by the two intercepts to be equal to a given rectangle. Although the work is lost, Edmund Halley
Apollonius_of_Perga
Algorithms in computational geometry
convex polygon, a linear time algorithm for the minimum-area enclosing rectangle is known. It is based on the observation that a side of a minimum-area
Minimum bounding box algorithms
Minimum_bounding_box_algorithms
Polish and French filmmaker (born 1933)
movies themselves but the aura that surrounded them. I loved the luminous rectangle of the screen, the sight of the beam slicing through the darkness from
Roman_Polanski
Process of producing small rectangular items of fixed dimensions
cut) is a straight bisecting line going from one edge of an existing rectangle to the opposite edge, similarly to a paper guillotine. Guillotine cutting
Guillotine_cutting
Theorem about right triangles
method to square a rectangle with ruler and compass, that is to construct a square of equal area to a given rectangle. For such a rectangle with sides p and
Geometric_mean_theorem
System of phonetic notation
tongue), and the superscript h shows that it is aspirated (breathy); the rectangle under ⟨t̻⟩ specifies that it is laminal (pronounced with the blade of
International Phonetic Alphabet
International_Phonetic_Alphabet
English musician and activist (1940–1980)
the 1968 The Beatles LP (aka The White Album) and cut it into 134 small rectangles. A single word was written on the back of each fragment, to be read in
John_Lennon
Area for playing association football
goal. The goal area (colloquially the "six-yard box"), consists of the rectangle formed by the goal-line, two lines starting on the goal-line 6 yards (5
Football_pitch
Series of sunken panels in a ceiling or vault
in architecture is a series of sunken panels in the shape of a square, rectangle, or octagon in a ceiling, soffit or vault. A series of these sunken panels
Coffer
Positive real number which when multiplied by itself gives 7
sequence of dynamic rectangles, that is, as the largest diagonal of those rectangles illustrated here. The minimal enclosing rectangle of an equilateral
Square_root_of_7
Early block substitution cipher
digram. The two letters of the digram are considered opposite corners of a rectangle in the key table. To perform the substitution, apply the following 4 rules
Playfair_cipher
Multidimensional search tree for points in k dimensional space
also contain rectangles or hyperrectangles. Thus range search becomes the problem of returning all rectangles intersecting the search rectangle. The tree
K-d_tree
1865 Design A white rectangle, one-and-a-half times as wide as it is tall, a red vertical stripe on the far right of the rectangle, a red quadrilateral
Flags of the Confederate States of America
Flags_of_the_Confederate_States_of_America
Military defense formation
the wagons, is a temporary fortification made of wagons arranged into a rectangle, circle, or other shape and possibly joined with each other to produce
Wagon_fort
Surface on which a sports game takes place
Waterpolo 25 meters - 20 meters - 1.8 meters Basketball 3x3 FIBA Oblong rectangle 11 meters - 15 meters - Basketball 28 meters - - NBA 94 feet (29 m) -
Pitch_(sports_field)
Whole number
with computers made the "0" character more squared at the edges, like a rectangle, and the "O" character more rounded. A further distinction is made in
0
Flags arranged by design
flag. Uncharged flags are ones that either are solid or contain only rectangles, squares and crosses but no crescents, circles, stars, triangles, maps
List_of_flags_by_design
Knitting technique
variant is to alternate rectangles of ribbing with rectangles of welting, e.g., rectangles of three ribs set against rectangles of three welts. A visually
Basketweave_(knitting)
2015 French film
by Gaspar Noé Denis Bedlow Production companies Les Cinémas De La Zone Rectangle Productions Wild Bunch RT Features Distributed by Wild Bunch Release dates
Love_(2015_film)
Graphical method to simplify Boolean expressions
must have an area that is a power of two (i.e., 1, 2, 4, 8...). Minterm rectangles should be as large as possible without containing any 0s. Groups may overlap
Karnaugh_map
Natural number
trisector. The lowest number of squares needed for a perfect tiling of a rectangle is 9. Ne Win, the leader of Myanmar from 1962 to 1988, was a very superstitious
9
Convex quadrilateral with at least one pair of parallel sides
definitions are hierarchical: a square is a type of rectangle and a type of rhombus, a rectangle or rhombus is a type of parallelogram, and every parallelogram
Trapezoid
Periodic rectangular waveform
Press. ISBN 9781315356549. "Electronic Music Interactive: 14. Square and Rectangle Waves", UOregon.edu. Hartmann, William M. (2004). Signals, Sound, and
Pulse_wave
American regional pizza style of Columbus, Ohio
Columbus, Ohio. It has a circular shape, pieces cut into short or long rectangles, thin or no crust, dense toppings that cover the surface, and, usually
Columbus-style_pizza
Type of two-dimensional barcode
of rectangular codes. For squares, the minimum size is 9 × 9 modules; rectangles have a minimum of 19 × 5 modules. iQR codes add error correction level
QR_code
Concept in geometry
rectangle circumscribing the ellipse. The ratio of the area of the circle to the square is π/4, which means the ratio of the ellipse to the rectangle
Area_of_a_circle
File format used for photomask production
The language defines the code required for geometric shapes such as rectangles, trapezoids, and polygons. It defines the type of properties each can
Open Artwork System Interchange Standard
Open_Artwork_System_Interchange_Standard
Palace in Gelnhausen, Germany
Palas, 2 Gate hall (ground level), chapel (1st floor), 3 Entrance, 4 Rectangle keep, 5 Round keep, 6 Living quarters (vanished), 7 Service and living
Imperial_Palace,_Gelnhausen
On triangles inscribed in a circle with a diameter as an edge
therefore have equal length, the parallelogram must be a rectangle. All angles in a rectangle are right angles. The theorem can be proved using vector
Thales's_theorem
Planetary system consisting of the Sun and objects orbiting it
Relative orbital distances in the Solar System visualized as a condensed rectangle
Solar_System
Union data structure with enforced cases
interface Shape permits Circle, Rectangle, Triangle {} record Circle(double radius) implements Shape {} record Rectangle(double width, double height) implements
Tagged_union
travel, tourism, insurance
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
RECTANGLE
travel, tourism, insurance