þríhyrningur

Icelandic

Etymology

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

Noun

þríhyrningur m (genitive singular þríhyrnings, nominative plural þríhyrningar)

1. (geometry) a triangle

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

• hyrna