How to use triangle in a sentence
40 example sentences · noun, verb
Triangle means a polygon with three sides and three angles. Example: “All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.”
Examples of triangle by meaning
nounA polygon with three sides and three angles.
- The wedge-shaped character was the triangle, the archaic Paleolithic sign of the vulva; the pubic triangle was at the end of the phallic stylus.1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London...
nounA love triangle.
- One of the writers' most pleasing inventions was to treat the triangle love story as comedy.2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104
nounA triangular formation of railway tracks, with a curve on at least one side.
- After turning on the triangle at Jeumont, we set off light engine back to Aulnoye.1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 147
More sentences with triangle
- All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.From the entry altitude
- The perpendicular height of a triangle is known as its altitude.From the entry altitude
- There are several centers of a triangle such as its circumcenter, incenter, orthocenter and centroid.From the entry center
- The area of a triangle is "a half base times height".From the entry height
- It is possible to tessellate the plane with equilateral triangles and regular hexagons.From the entry tessellate
- Construct a circle that touches each vertex of the given triangle.From the entry construct
- The Gergonne triangle is defined by the three touchpoints of the incircle on the three sides.From the entry touchpoint
- A triangle is a specialization of a polygon to one with exactly three sides.From the entry specialization
- An ideal triangle in the hyperbolic disk is one bounded by three geodesics that meet precisely on the circle.From the entry ideal
- Consider a triangle having three equal sides.From the entry consider
- A square may be equivalent to a triangle.From the entry equivalent
- The Pythagorean theorem only applies to right triangles.From the entry Pythagorean theorem
- A hypotenuse subtends the right angle of a right triangle.From the entry subtend
- All triangles, all rectangles, and all cyclic quadrilaterals are cyclic-inscriptable.From the entry cyclic-inscriptable
- This property holds for all polygons; and since, by definition, all triangles are polygons, it holds for all triangles.From the entry by definition
- A triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles.From the entry triquadrantal
- If you know two sides of a right triangle, you can find the third by plugging them into the Pythagorean Theorem.From the entry plug into
- The centroid of a triangle is, by definition, the point of intersection of the three medians: moreover, it is a trisection point of each of the medians.From the entry trisection point
- The sly reveal has kicked off a theorycrafting love triangle reminiscent of Final Fantasy 7’s Clerith vs.2026 March 5, Jen Glennon, “Leon Kennedy's secret wife has given Resident Evil its Clerith moment”, in Polygon, archived from the original…. From the entry Clerith
- Using GeoGebra, construct an edge-to-edge tessellation with triangle, heptagon, and tetracontadigon.2024, Sergei Abramovich, Developing Deep Knowledge in Middle School Mathematics, page 82. From the entry tetracontadigon
- Homemade samosas are a world away from those dry cardboard triangles sold under the name in supermarkets.2023 June 7, Felicity Cloake, “How to make vegetable samosas – recipe”, in The Guardian, →ISSN. From the entry samosa
- Flecks of spring green – the kind generated from radioactive waste – coat the unwieldy triangles.2022 April 20, Mariella Rudi, “Tostitos Hint of Lime has zero lime – but it’s still the perfect chip”, in Katharine Viner, editor, The…. From the entry kaleidoscope
- The warehouses that first occupied the triangle hosted shipments in transit from one business to another: B2B.2019 November 21, Samanth Subramanian, “How our home delivery habit reshaped the world”, in The Guardian, archived from the original on 24…. From the entry B2B
- “The boys pump sweet jelly into the little triangle, careful not to overfill its delicate folds.2016 June 6, Teresa Hsiao, “Garfield and Friends” (11:56 from the start), in American Dad!, season 13, episode 19, spoken by Principal…. From the entry hamantaschen
- There are a total of 18 Morley triangles that can be constructed.2016, Erik Seligman, Math Mutation Classics, page 27. From the entry Morley triangle
- Subsequently, the cystohepatic triangle of patients, with head up in left lateral position, was separated.2015 July 9, Yi-Ren Hu et al., “Efficacy and safety of B-mode ultrasound-guided percutaneous transhepatic gallbladder drainage combined…. From the entry cystohepatic
- The conserved pantetheinylated serine residues are indicated by the open triangle.2015 November 26, “Characterisation of the Candida albicans Phosphopantetheinyl Transferase Ppt2 as a Potential Antifungal Drug Target”…. From the entry pantetheinylated
- That triangle of tangled undergrowth was infested with clothes-grabbing burdocks (“buzzies” we called them) and beggar's ticks.2015, Jim Bennet, South End Boy: Growing up in Halifax in the tumultuous '30s and '40s, →ISBN. From the entry buzzie
- The person at the apex of the production triangle is the showrunner: in short, the boss.2013, Bethany Rooney, Mary Lou Belli, Directors Tell the Story: Master the Craft of Television and Film Directing, →ISBN, page 66. From the entry showrunner
- It is possible for a spherical triangle to have 3 right angles.2012, Daniel Zwillinger, CRC Standard Mathematical Tables and Formulae, 32nd edition, Taylor & Francis (CRC Press / Chapman & Hall), page…. From the entry spherical triangle
- The triangle end of the church key was the most important part in the early days.2011, Bobby Mercer, ManVentions: From Cruise Control to Cordless Drills, pages 58–59. From the entry church key
- A triangle is heterochromous if and only if its three angles are heterochromous angles.2010, Bin Xiong, Zhongyi Zheng, Graph Theory: In Mathematical Olympiad And Competitions, page 96. From the entry heterochromous
- Construct an edge-to-edge tessellation with a triangle, a heptagon, and a tetracontadigon.2010, Sergei Abramovich, Topics in Mathematics for Elementary Teachers, page 90. From the entry tetracontadigon
- A triangle becomes a tetrahedron (a type of pyramid), then a pentachoron (a hyperpyramid).2008, George Musser, The Complete Idiot's Guide to String Theory, page 174. From the entry pentachoron
- Geometrically, K₃ relates to a triangle, K₄ a tetrahedron, K₅ a pentachoron, etc.2008, Prabhakar Gupta et al., Design and Analysis of Algorithms, page 356. From the entry pentachoron
- And then there’s the eternal triangle thing with Duke fancying Olivia who fancies Sebastian.2006 April 6, Margaret Pomeranz, "She's The Man," abc.net (Australia) (retrieved 4 June 2013). From the entry eternal triangle
- The shiny wet black triangle at the crossroads of where her legs split.2005, Jake Logan, Slocum and the Sierra Madras Gold. From the entry crossroads
Meaning of triangle
- noun A polygon with three sides and three angles.
- noun A set square.
- noun A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
Questions about triangle in a sentence
- How do you use triangle in a sentence?
- Triangle is used as a noun and verb. For example: “All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.”
- What is a short sentence with triangle?
- “Consider a triangle having three equal sides.”
- What does triangle mean?
- Triangle means a polygon with three sides and three angles.
Source and license
Adapted from Wiktionary: triangle (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.
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Cite this page: “How to use triangle in a sentence.” Word.ws, https://word.ws/sentences/triangle. Based on Wiktionary, CC BY-SA 4.0.
