Phrase guide

supplementary angles

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

plural of supplementary angle

Definition source: English Wiktionary via Wiktextract

Usage: form-of, plural

Topics: geometry, mathematics, sciences

Examples

  • Let angle A = 30° and angle B = 10°, so that their supplementary angles are A′ = 150° and B′ = 170°, respectively.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A pair of angles that sum to 180 degrees.

Definition source: English Wiktionary via Wiktextract

Usage: plural, plural-only

Topics: geometry, mathematics, sciences

Examples

  • A = 30° and A′ = 150°, so A and A′ are supplementary angles.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

21 source translations are retained for this English entry.

  • Asturian: ángulos suplementarios — pair of angles
  • Catalan: angles suplementaris — pair of angles
  • Chinese Mandarin: 補角 /补角 (bǔjiǎo) — pair of angles
  • Estonian: kõrvunurgad — pair of angles
  • Finnish: suplementtikulmat — pair of angles
  • French: angles supplémentaires — pair of angles
  • Galician: ángulos suplementarios — pair of angles
  • German: Nebenwinkel — pair of angles
  • Greek: παραπληρωματικές γωνίες (parapliromatikés goníes) — pair of angles
  • Hungarian: kiegészítő szög — pair of angles
  • Italian: angoli supplementari — pair of angles
  • Japanese: 補角 (hokaku) — pair of angles
  • Latvian: blakusleņķi — pair of angles
  • Māori: koki whakarārangi — pair of angles
  • Polish: kąty przyległe — pair of angles
  • Portuguese: ângulos suplementares — pair of angles
  • Slovak: vedľajšie uhly — pair of angles
  • Slovak: susedné uhly — pair of angles
  • Spanish: ángulos suplementarios — pair of angles
  • Tagalog: sihang kaladlad — pair of angles
  • Ukrainian: суміжні кути (sumižni kuty) — pair of angles