different between triangle vs trigonometry

triangle

English

Etymology

From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (three-cornered, having three angles), from tr?s (three) + angulus (corner, angle).

Pronunciation

  • (UK) IPA(key): /?t?a?????l/, /?t?a??æ???l/
  • (US) enPR: tr?'-?ng-g?l, IPA(key): /?t?a??æ???l/
  • Rhymes: -a?æ???l
  • Hyphenation: tri?an?gle

Noun

triangle (plural triangles)

  1. (geometry) A polygon with three sides and three angles.
  2. (US, Canada) A set square.
  3. (music) 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.
  4. (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
  5. A love triangle.
    • 2009, Neil McDonald, Quadrant, November 2009, No. 461 (Volume LIII, Number 11), Quadrant Magazine Limited, page 104:
      One of the writers' most pleasing inventions was to treat the triangle love story as comedy.
  6. (systemics) The structure of systems composed with three interrelated objects.
  7. A draughtsman's square in the form of a right-angled triangle.
  8. (historical, usually in the plural) A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.
  9. Any of various large papilionid butterflies of the genus Graphium.
    Synonym: bluebottle
  10. (rail transport) A triangular formation of railway tracks, with a curve on at least one side.
    Synonym: wye

Synonyms

  • (polygon): threeside, trigon (rare)
  • (love triangle): love triangle, menage à trois
  • See also Thesaurus:triangle

Derived terms

Translations

Further reading

  • Triangle on Wikipedia.Wikipedia
  • Triangle (disambiguation) on Wikipedia.Wikipedia
  • Triangle (instrument) on Wikipedia.Wikipedia

Anagrams

  • INTEGRAL, alerting, altering, integral, relating, tanglier, teraglin

Catalan

Etymology

From Latin triangulum.

Pronunciation

  • (Balearic, Central) IPA(key): /t?i?a?.?l?/
  • (Valencian) IPA(key): /t?i?a?.?le/

Noun

triangle m (plural triangles)

  1. (geometry) triangle
  2. (music) triangle

Related terms

  • triangular

Further reading

  • “triangle” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
  • “triangle” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
  • “triangle” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
  • “triangle” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

French

Etymology

Borrowed from Latin triangulum. Synchronically analysable as tri- +? angle.

Pronunciation

  • IPA(key): /t?i.j???l/

Noun

triangle m (plural triangles)

  1. (geometry) triangle (polygon)
  2. (music) triangle (percussion instrument)

Derived terms

  • triangle amoureux
  • triangle de sécurité
  • triangulaire

Further reading

  • “triangle” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

  • intégral

triangle From the web:

  • what triangle is obtuse
  • what triangle is both scalene and right
  • what triangle is 180 degrees
  • what triangle is both scalene and acute
  • what triangle has an obtuse angle
  • what triangle has three acute angles
  • what triangle equals 180 degrees
  • what triangle has 3 acute angles


trigonometry

English

Etymology

From 1610s, from New Latin trig?nometria, from Ancient Greek ???????? (tríg?non, triangle) + ?????? (métron, measure).

Pronunciation

  • IPA(key): /?t?????n?m?t?i/

Noun

trigonometry (countable and uncountable, plural trigonometries)

  1. (geometry, mathematical analysis) The branch of mathematics that deals with the relationships between the sides and angles of (in particular) right-angled triangles, as represented by the trigonometric functions, and with calculations based on said relationships.
    • 1892, Edward Albert Bowser, A Treatise on Plane and Spherical Trigonometry, D. C. Heath & Co., page 1,
      Trigonometry was originally the science which treated only of the sides and angles of plane and spherical triangles; but it has been recently extended so as to include the analytic treatment of all theorems involving the consideration of angular magnitudes.
    • 2013, Paul Abbott, Hugh Neill, Trigonometry: A Complete Introduction, Hachette, unnumbered page,
      In fact, the earliest practical uses of trigonometry were in the fields of astronomy and hence navigation.
    • 2016, Carl F. Lorenzo, Tom T. Hartley, The Fractional Trigonometry, Wiley, page 8,
      The properties of these new trigonometries and identities flowing from the definitions are then developed.
      The trigonometries derived from these generalizations will be jointly termed "The Fractional Trigonometry."

Synonyms

  • (branch of mathematics): trig (informal, abbreviation)

Derived terms

  • plane trigonometry
  • spherical trigonometry

Related terms

  • geometry
  • trigon
  • trigonometric
  • trigonometrist

Translations

Further reading

  • Trigonometric functions on Wikipedia.Wikipedia
  • Trigonometric tables on Wikipedia.Wikipedia
  • Pythagorean trigonometric identity on Wikipedia.Wikipedia
  • List of trigonometric identities on Wikipedia.Wikipedia

References

trigonometry From the web:

  • what trigonometry means
  • what trigonometry used for
  • what trigonometry is needed for calculus
  • what trigonometry called in hindi
  • what's trigonometry in maths
  • what trigonometry do architects use
  • what trigonometry means in geometry
  • what trigonometry stands for
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