þríhyrningur

Icelandic

Etymology

From þrí- (“tri-”, from þrír (“three”)) +‎ hyrningur (“polygon”).

Noun

þríhyrningur m (genitive singular þríhyrnings, nominative plural þríhyrningar)

  1. (geometry) a triangle

Declension

Declension of þríhyrningur (masculine)
singular plural
indefinite definite indefinite definite
nominative þríhyrningur þríhyrningurinn þríhyrningar þríhyrningarnir
accusative þríhyrning þríhyrninginn þríhyrninga þríhyrningana
dative þríhyrningi þríhyrningnum þríhyrningum þríhyrningunum
genitive þríhyrnings þríhyrningsins þríhyrninga þríhyrninganna

Derived terms

  • aðfelldur þríhyrningur (“asymptotic triangle”)
  • Ceva-þríhyrningur (“aliquot triangle, cevian triangle”)
  • einshyrndur þríhyrningur, einslaga þríhyrningur (“similar triangle”)
  • fótpunktaþríhyrningur (“pedal triangle”)
  • hornalínuþríhyrningur (“diagonal triangle”)
  • hringbogaþríhyrningur (“circular triangle”)
  • hæðafótpunktaþríhyrningur (“orthic triangle”)
  • jafnhliða þríhyrningur (“equilateral triangle, regular triangle”)
  • kúluþríhyrningur (“spherical triangle”)
  • mishliða þríhyrningur, ójafnarma þríhyrningur (“scalene triangle”)
  • Pascal-þríhyrningur, þríhyrningur Pascals (“Pascal's triangle”)
  • pýþagórskur þríhyrningur (“Pythagorean triangle”)
  • rétthyrndur þríhyrningur (“right triangle, right-angled triangle”)
  • sjálfskautaður þríhyrningur (“self-polar triangle”)
  • skautþríhyrningur (“polar triangle”)
  • skáhyrndur þríhyrningur (“oblique triangle”)
  • tvíaðfelldur þríhyrningur (“doubly asymptotic triangle”)
  • þríaðfelldur þríhyrningur (“trebly asymptotic triangle”)

See also

This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.