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Episode of UFO
"The Square Triangle" is the tenth episode aired of the first series of UFO – a 1970 British television science fiction series about an alien invasion
The_Square_Triangle
Topics referred to by the same term
Triangle Square may refer to: Triangle Square Press, a publishing imprint Triangle Square (film), a 2001 American comedy film Speed square, sometimes known
Triangle_Square
Non-sinusoidal waveform
function. Like a square wave, the triangle wave contains only odd harmonics. However, the higher harmonics roll off much faster than in a square wave (proportional
Triangle_wave
Shape with three sides
A triangle or trigon is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero-dimensional
Triangle
Square whose vertices lie on a triangle
square in a triangle is a square whose four vertices all lie on a given triangle. By the pigeonhole principle, two of the square's vertices, and the edge
Inscribed square in a triangle
Inscribed_square_in_a_triangle
Object used in engineering and technical drawing
A set square or triangle (American English) is an object used in engineering and technical drawing, with the aim of providing a straightedge at a right
Set_square
Curved triangle with constant width
applications of the Reuleaux triangle include giving the shape to guitar picks, fire hydrant nuts, pencils, and drill bits for drilling filleted square holes,
Reuleaux_triangle
Relation between sides of a right triangle
In the square on the right side, the triangles are placed such that the corners of the square correspond to the corners of the right angle in the triangles
Pythagorean_theorem
Triangle containing a 90-degree angle
A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular
Right_triangle
85th Johnson solid (26 faces)
threefold. It has 26 faces: 2 squares and 24 triangles; and two types of edges: triangle-square, triangle-triangle. The snub is the process of constructing
Snub_square_antiprism
Fractal composed of triangles
The Sierpiński triangle, also called the Sierpiński gasket or Sierpiński sieve, is a fractal with the overall shape of an equilateral triangle, subdivided
Sierpiński_triangle
2022 video game
Triangle Strategy is a 2022 tactical role-playing game co-developed by Square Enix and Artdink and published by Square Enix for the Nintendo Switch. Nintendo
Triangle_Strategy
Optical illusion
the diagram of the puzzle, and was illustrated as a graphic. Note the grid point where the red and blue triangles in the lower image meet (5 squares to
Missing_square_puzzle
Triangular array of the binomial coefficients
Some of the numbers in Pascal's triangle correlate to numbers in Lozanić's triangle. The sum of the squares of the elements of row n equals the middle
Pascal's_triangle
Shape with three equal sides
equilateral triangle is a triangle in which all three sides have the same length, and all three angles are equal. Because of these properties, the equilateral
Equilateral_triangle
Pyramid with a square base
a square pyramid is a pyramid with a square base and four triangles, having a total of five faces. If the apex of the pyramid is directly above the center
Square_pyramid
Swedish filmmaker (born 1974)
satirical black comedy films Force Majeure (2014), The Square (2017) and Triangle of Sadness (2022). He is the recipient of various accolades, including two
Ruben_Östlund
Inconsistent pure type systems related to Girard's paradox
(\triangle ,\square )} : kinds may depend on higher-level objects (higher-order kind formation). The extra rule ( △ , ∗ ) {\displaystyle (\triangle ,\ast
System_U
2005 single by Test Icicles
"Circle. Square. Triangle" is a song by Test Icicles which was released as the second single from their debut album For Screening Purposes Only on 24
Circle._Square._Triangle
Impossible object
it. The tribar/triangle appears to be a solid object, made of three straight beams of square cross-section that meet pairwise at right angles at the vertices
Penrose_triangle
Shape with four equal sides and angles
impossible. Squares can be inscribed in any smooth or convex curve, such as a circle or triangle, but it remains unsolved whether a square can be inscribed
Square
Triangles without a right angle
acute triangle (or acute-angled triangle) is a triangle with three acute angles (less than 90°). An obtuse triangle (or obtuse-angled triangle) is a triangle
Acute_and_obtuse_triangles
2001 American film
Triangle Square is a 2001 American comedy film written by Jeff Terry Anderson and Donny Terranova, directed by Anderson and starring Terranova. Donny
Triangle_Square_(film)
Triangle whose side lengths and area are integers
Heronian triangle (or Heron triangle) is a triangle whose side lengths a, b, and c and area A are all positive integers. Heronian triangles are named
Heronian_triangle
Right triangle with a feature making calculations on the triangle easier
right triangle is a right triangle with some notable feature that makes calculations on the triangle easier, or for which simple formulas exist. The various
Special_right_triangle
Artwork by Sengai
(Japanese: まるさんかくしかく / 円三角四角; lit. 'circle, triangle, square'), also known as ○△□, or in English as The Universe, is a zenga by Sengai, a Japanese monk
Marusankakushikaku
Small tiled plot of land in New York City
The Hess triangle is a triangular, 500-square-inch (3,200 cm2) plot of private land in the middle of a public sidewalk at the corner of Seventh Avenue
Hess_triangle
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
1911 factory fire in New York City
The Triangle Shirtwaist Factory fire occurred in the Greenwich Village neighborhood of Manhattan, a borough of New York City, on Saturday, March 25, 1911
Triangle Shirtwaist Factory fire
Triangle_Shirtwaist_Factory_fire
Type of non-sinusoidal waveform
Rectangular function Pulse wave Sine wave Triangle wave Sawtooth wave Waveform Sound Multivibrator Ronchi ruling, a square-wave stripe target used in imaging
Square_wave_(waveform)
On point sets with no small-area triangles
What is the asymptotic growth rate of the area of the smallest triangle determined by three out of n {\displaystyle n} points in a square, when the points
Heilbronn_triangle_problem
Size of a two-dimensional surface
square of the perimeter of an equilateral triangle, 1 12 3 , {\displaystyle {\frac {1}{12{\sqrt {3}}}},} is larger than that for any other triangle.
Area
Notation for extremely large numbers
polygon notation. a number n in a triangle means nn. a number n in a square is equivalent to "the number n inside n triangles, which are all nested." a number
Steinhaus–Moser_notation
2022 film by Ruben Östlund
Triangle of Sadness is a 2022 satirical black comedy film written and directed by Ruben Östlund in his English-language feature debut. The film stars an
Triangle_of_Sadness
Triangle with at least two sides congruent
inscribed squares), the golden triangle and golden gnomon (two isosceles triangles whose sides and base are in the golden ratio), the 80-80-20 triangle appearing
Isosceles_triangle
Park Tremont Park 100% Playground Adam Yauch Park Admiral Triangle Aimee Triangle Alben Square Albermarle Playground Albert Lysander Parham Playground American
List of parks in New York City
List_of_parks_in_New_York_City
Rational right triangles cannot have square area
number. The area of a rational-sided right triangle is called a congruent number, so no congruent number can be square. A right triangle and a square with
Fermat's right triangle theorem
Fermat's_right_triangle_theorem
Integer side lengths of a right triangle
c={\sqrt {2}}} is a right triangle, but ( 1 , 1 , 2 ) {\displaystyle (1,1,{\sqrt {2}})} is not a Pythagorean triple because the square root of 2 is not an integer
Pythagorean_triple
Square root of the mean square
In mathematics, the root mean square (abbrev. RMS, rms or rms) of a set of values is the square root of the set's mean square. Given a set x i {\displaystyle
Root_mean_square
Special triangle in geometry
The Calabi triangle is a special triangle found by Eugenio Calabi. It is the unique triangle that has 3 different placements for the largest square that
Calabi_triangle
Food in Japan
white, square, triangle or round surimi product (fish or meat paste) with a soft, mild taste. It is believed to have been invented during the Edo period
Hanpen
Scottish actress (1931–2016)
UFO episode "The Square Triangle" (1970) and was in two episodes of Danger Man (US: Secret Agent, both 1965). She was equally at home in the classics of
Adrienne_Corri
Cube capped by two square pyramids
lunes (squares with triangles on opposite sides) linked together with squares to squares and triangles to triangles. It is also been named the pencil
Elongated_square_bipyramid
Shape and form of a signal
represent digital information. A square wave of constant period contains odd harmonics that decrease at −6 dB/octave. Triangle wave: ( t , λ , a , ϕ ) = 2
Waveform
Unique positive real number which when multiplied by itself gives 3
convergents of its continued fraction. The square root of 3 can be found as the leg length of an equilateral triangle that encompasses a circle with a diameter
Square_root_of_3
Prism with a 3-sided base
isogonal. The dihedral angle between two adjacent square faces is the internal angle of an equilateral triangle π/3 = 60°, and that between a square and a
Triangular_prism
Theorem about right triangles
that the hypotenuse of the right angled triangle is the diameter of its circumcircle. The formulation in terms of areas yields a method to square a rectangle
Geometric_mean_theorem
Property of geometry, also used to generalize the notion of "distance" in metric spaces
mathematics, the triangle inequality states that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining
Triangle_inequality
Triangle with integer side lengths
An integer triangle or integral triangle is a triangle all of whose side lengths are integers. A rational triangle is one whose side lengths are rational
Integer_triangle
Australian actor (1920–1988)
Melford), The Champions (1969 episode The Experiment as Cranmore), Danger Man, UFO (1970 episode "The Square Triangle"), an episode of The Persuaders
Allan_Cuthbertson
Region of Texas that contains the state's five largest cities
97°W / 31; -97 The Texas Triangle is one of eleven megaregions of the United States, located entirely within Texas, containing the state's five largest
Texas_Triangle
Area in Massachusetts claimed to be the site of paranormal phenomena
The Bridgewater Triangle is an area of about 200 square miles (520 km2) within southeastern Massachusetts in the United States, claimed to be a site of
Bridgewater_Triangle
English rock band
of its singles, "Circle. Square. Triangle" and "What's Your Damage", reached the top 40 of the UK singles chart. Following the band's split, Hynes earned
Test_Icicles
Electronic test equipment used to generate electrical waveforms
Examples are the Exar XR2206 and the Intersil ICL8038 integrated circuits[citation needed], which can generate sine, square, triangle, ramp, and pulse
Function_generator
Algorithm for generating contour lines on a 2D scalar field
possibilities: The analysis for isobands over triangles requires 3 ternary trits, so there are 27 possibilities: The data space for the Marching Squares algorithm
Marching_squares
Ornate wooden floor design
angular—squares, triangles, lozenges—but may contain curves. The most popular parquet flooring pattern is herringbone. The word derives from the Old French
Parquet
Collection of buildings in Washington, D.C.
and E Street NW. Federal Triangle is occupied by 10 large city and federal office buildings, all of which are part of the Pennsylvania Avenue National
Federal_Triangle
Unlighted nautical sea mark
to it that presents navigational information in a standard shape (square, triangle, rectangle, rhombus) and color. Day beacons typically mark channels
Day_beacon
One can't dissect a square into an odd number of triangles of equal area
possible to dissect a square into an odd number of triangles of equal area. In other words, a square does not have an odd equidissection. The problem was posed
Monsky's_theorem
Convex polyhedron with 14 triangle faces
{\displaystyle \pi /3} . The triangle-triangle angles on the pyramid are the same as in the regular octahedron, and the square-triangle angles are half that
Triaugmented_triangular_prism
Longest side of a right-angled triangle, the side opposite of the right angle
right triangle are called legs or catheti. The length of the hypotenuse can be found using the Pythagorean theorem, which states that the square of the length
Hypotenuse
calculating the area of a triangle is an elementary and widely encountered problem. The best known and simplest formula for the area of an arbitrary triangle is
Area_of_a_triangle
During the Gaza war, an inverted red triangle has been used as a symbol of support for Palestine. The symbol originates from combat footage published by
Red triangle (Palestinian symbol)
Red_triangle_(Palestinian_symbol)
Problem in geometric probability
the unit square; the region of the unit square in which the two splits form three segments of a triangle is a crossed square with its vertices at the
Broken_stick_problem
Archimedean solid with 26 faces
The rhombicuboctahedron or small rhombicuboctahedron is a polyhedron with 26 faces, consisting of 8 equilateral triangles and 18 squares. It was named
Rhombicuboctahedron
Number, approximately 1.618
Maestlin of the University of Tübingen in a letter to Kepler, his former student. The same year, Kepler wrote to Maestlin of the Kepler triangle, which combines
Golden_ratio
Historic site
The Waterford Viking Triangle is part of the cultural and heritage area in Waterford City. It is so called because of the 1000-year-old Viking walls which
Waterford_Viking_Triangle
1980 single by Thompson Twins
"Squares And Triangles" is the debut single released by Thompson Twins. It was written when the band was a four-piece consisting of Tom Bailey (vocals
Squares_and_Triangles
Right triangle related to the golden ratio
approximately 1 : 1.272 : 1.618 {\displaystyle 1:1.272:1.618} . Squares on the edges of this triangle have areas in another geometric progression, 1 : φ : φ 2
Kepler_triangle
Former group of national parks
properties in and around the District of Columbia including memorials, monuments, parks, interiors of traffic circles and squares, triangles formed by irregular
National_Capital_Parks
American children's television series
based on the children's books Triangle, Circle, and Square written by Mac Barnett and illustrated by Jon Klassen. It features Harvey Guillén as the voice
Shape_Island
Polyhedron with eight triangular faces
triangular prism: The result of gluing a triangular prism to a square pyramid, this has six equilateral triangle faces and two square faces. It is also
Octahedron
ellipsoids of different orientations and a square-triangle crystal containing 24 ellipsoids in the fundamental cell. The former monoclinic structure can reach
Ellipsoid_packing
Equality of triangles between three squares
equates the area of a triangle to the area of each of the triangles formed by squares drawn along its sides. Let △ A B C {\displaystyle \triangle ABC} be
Cross's_theorem
Video game series
press the square, triangle and circle buttons while moving the analog stick correspondingly to hit the notes. The trick is that player has to follow the active
DJMax
Spacing between equally-spaced square numbers
square number. This was later proven by Pierre de Fermat as Fermat's right triangle theorem. A congruum is defined to be any number that can form the
Congruum
Research park in North Carolina, United States
Research Triangle Park (RTP) is the largest research park in the United States; it occupies 7,000 acres (2,833 ha) in North Carolina and hosts more than
Research_Triangle_Park
Synthesizer
Wave Memory 2), a substractive synthesis based on either basic sine, square, triangle or saw oscillators (digital modelling of earlier analog synthesizers)
Yamaha_SY99
Symbols of gender, sex, or sexuality
a triangle △ for male and circle ○ for female. Pedigree charts published in scientific papers use an earlier anthropological convention of a square □
Gender_symbol
Polyhedron with cube and square pyramid
sum of four equilateral triangles and four squares' area. Its volume V {\displaystyle V} is the sum of an equilateral square pyramid and a cube's volume
Elongated_square_pyramid
2023). "Class A Office Buildings". Triangle Business Journal. Retrieved December 29, 2023. "Two Hanover Square". Council on Tall Buildings and Urban
List of tallest buildings in Raleigh
List_of_tallest_buildings_in_Raleigh
a list of incidents attributed in popular culture to the Bermuda Triangle or the Devil's Triangle. 1945: July 10, Thomas Arthur Garner, AMM3, USN, along
List of Bermuda Triangle incidents
List_of_Bermuda_Triangle_incidents
Tract of land in northwestern Pennsylvania
The Erie Triangle is a roughly 300-square-mile (780-square-kilometre) tract of land that was the subject of several competing colonial-era claims. It was
Erie_Triangle
37th Johnson solid (26 faces)
equilateral triangles and 18 squares. A convex polyhedron in which all of the faces are regular polygons is a Johnson solid, and the elongated square gyrobicupola
Elongated_square_gyrobicupola
Rhubarb-producing area in England
The Rhubarb Triangle is a 9-square-mile (23 km2) area of West Yorkshire, England famous for producing early forced rhubarb. It is delineated by Wakefield
Rhubarb_Triangle
Form of an object
Square, Triangle, Rectangle, Oval, Star (polygon), Rhombus, Semicircle. Regular polygons starting at pentagon follow the naming convention of the Greek
Shape
Polyhedron with 8 triangles and 6 squares
with 8 triangular faces and 6 square faces. A cuboctahedron has 12 identical vertices, with 2 triangles and 2 squares meeting at each, and 24 identical
Cuboctahedron
Geometric problems involving the partition of a figure
Proof to 122-Year-Old Triangle-to-Square Puzzle", Scientific American Clara Moskowitz (2025-12-19), Andrea Thompson (ed.), "The 10 Biggest Math Breakthroughs
Dissection_problem
Cyclic quadrilateral in which the products of opposite side lengths are equal
been called harmonic quadrangles. They are the images of squares under Möbius transformations. Every triangle can be extended to a harmonic quadrilateral
Harmonic_quadrilateral
Two-dimensional fractal
snowflake or a Sierpinski triangle, "both based on recursively drawing equilateral triangles and the Sierpinski carpet." The T-square fractal has a fractal
T-square_(fractal)
Non-sinusoidal waveform
present on later sets as the stability of electronic components had improved. List of periodic functions Sine wave Square wave Triangle wave Pulse wave Sound
Sawtooth_wave
90° angle (π/2 radians)
square has four right angles, in addition to equal-length sides. The Pythagorean theorem states how to determine when a triangle is a right triangle.
Right_angle
Geometric partition where pieces are connected by "hinged" points
introduced the famous hinged dissection of a square into a triangle (pictured) in his 1907 book The Canterbury Puzzles. The Wallace–Bolyai–Gerwien theorem, first
Hinged_dissection
Covering by shapes without overlaps or gaps
describe polytopes. For example, the Schläfli symbol for an equilateral triangle is {3}, while that for a square is {4}. The Schläfli notation makes it possible
Tessellation
Tiling puzzle where pieces can be assembled in different ways
ensured the puzzle's popularity. Other dissections are intended to move between a pair of geometric shapes, such as a triangle to a square, or a square to
Dissection_puzzle
Framework of spaced bars that are parallel to or cross each other
Profile is the shape of the repeating pattern, which is typically a square wave but can also be any periodic pattern (sine wave, triangle wave, sawtooth
Grating
Triangular prism attached by a square pyramid
The dihedral angle between a triangle from the prism and a triangle from the pyramid is the sum of the dihedral angle between a triangle and square in
Augmented_triangular_prism
Generalization of Pythagorean theorem
obtuse-angled triangles the square on the side subtending the obtuse angle is greater than the squares on the sides containing the obtuse angle by twice the rectangle
Law_of_cosines
English actor (1931–2019)
Z-Cars, UFO (the 1970 episode "The Square Triangle"), The Onedin Line, Space: 1999, The Lotus Eaters, The Carnforth Practice, Special Branch, The Sweeney,
Godfrey_James
Public park in Manhattan, New York
Washington Square Park is a 9.75-acre (3.95 ha) public park in the Greenwich Village neighborhood of Lower Manhattan, New York City. It is an icon as
Washington_Square_Park
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
Surname or Lastname
English
English : nickname for a frugal person, from Middle English spare ‘sparing’, ‘frugal’.
Boy/Male
American, Australian, British, English
Shield Bearer; Knight's Companion
Male
Chinese
square, in the sense of correctness.
Female
Vietnamese
Vietnamese name THI means "poem."
Surname or Lastname
English
English : status name from Middle English squyer ‘esquire’, ‘a man belonging to the feudal rank immediately below that of knight’ (from Old French esquier ‘shield bearer’). At first it denoted a young man of good birth attendant on a knight, or by extension any attendant or servant, but by the 14th century the meaning had been generalized, and referred to social status rather than age. By the 17th century, the term denoted any member of the landed gentry, but this is unlikely to have influenced the development of the surname.
Boy/Male
American, Anglo, Australian, British, Chinese, Christian, Danish, English, French, German, Scottish
Steward; Stewart is Clan Name of the Royal House of Scotland; Surname; House Guard
Male
Swedish
Swedish name derived from Old Norse stúra, STURE means "obstinate."
Female
German
Pet form of German Kätharina, KÄTHE means "pure."
Surname or Lastname
English (Yorkshire)
English (Yorkshire) : variant of Tye.
Girl/Female
Greek American
Goddess; godly. Also as abbreviation of names like Althea and Dorothea. The mythological Thea was...
Surname or Lastname
English
English : patronymic from Squire.
Male
English
French form of English Stewart, STUART means "house guard; steward." In use by the English and Scottish.
Boy/Male
English American
Shieldbearer.
Female
Vietnamese
Vietnamese name THU means "autumn."
Male
English
Short form of English Theodore, THEO means "gift of God," and other names beginning with Theo-.
Surname or Lastname
English
English : variant of Squire.
Boy/Male
Italian
Squire.
Male
English
English surname transferred to forename use, derived from the Middle English word tye, TYE means "pasture."
Boy/Male
English
From the enclosure.
Boy/Male
Australian, Gaelic
From the Scottish Clan Name Mcquade
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
Surname or Lastname
English
English : from Middle English pertriche ‘partridge’ (via Old French and Latin from Greek perdix), either a metonymic occupational name for a hunter of the bird or a nickname for someone with some fancied resemblance to it, or a habitational name for someone living at a house distinguished by the sign of a partridge. This surname has been established in Ireland since the 17th century. As an American family name, it has probably absorbed some cases of other European surnames with the same meaning, e.g. Italian Pernice.
Girl/Female
Hindu
Sacred river
Male
Hungarian
Hungarian form of Greek Emmanouel, EMÃNUEL means "God is with us."
Boy/Male
Tamil
Precious, Valuable
Boy/Male
Shakespearean
The Life of Timon of Athens'.
Girl/Female
Hindu
Savior
Girl/Female
Biblical
House, place of sin.
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Bliss; Son of Hiranyakasipa
Boy/Male
Bengali, Hindu, Indian, Kannada, Telugu
Holy Massege of Marathi Saint
Boy/Male
Hindu, Indian, Sanskrit
One who Dies for a Good Thing; Fights for a Good will
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
THE SQUARE-TRIANGLE
n.
Having the toe square.
n.
A square piece or fragment.
a.
Even; leaving no balance; as, to make or leave the accounts square.
n.
To form with right angles and straight lines, or flat surfaces; as, to square mason's work.
n.
To place at right angles with the keel; as, to square the yards.
n.
The product of a number or quantity multiplied by itself; thus, 64 is the square of 8, for 8 / 8 = 64; the square of a + b is a2 + 2ab + b2.
n.
A square. See 1st Squire.
a.
Having four equal sides and four right angles; as, a square figure.
a.
Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.
n.
To adjust; to regulate; to mold; to shape; to fit; as, to square our actions by the opinions of others.
a.
At right angles with the mast or the keel, and parallel to the horizon; -- said of the yards of a square-rigged vessel when they are so braced.
a.
Rendering equal justice; exact; fair; honest, as square dealing.
n.
To make even, so as leave no remainder of difference; to balance; as, to square accounts.
n.
An instrument having at least one right angle and two or more straight edges, used to lay out or test square work. It is of several forms, as the T square, the carpenter's square, the try-square., etc.
v. t.
To attend as a squire.
imp. & p. p.
of Square
n.
A square; a measure; a rule.
n.
To multiply by itself; as, to square a number or a quantity.
n.
Hence, anything which is square, or nearly so
a.
Forming a right angle; as, a square corner.