external angle

1. 1.

   the supplement of an interior angle of a polygon

   Synonymsexterior angle

   Broaderangle

   Narrowerhip

Questions about external angle

What does external angle mean?

external angle means "the supplement of an interior angle of a polygon".

What is another word for external angle?

Close synonyms include exterior angle. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is external angle a common word?

external angle is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.