We found 6 dictionaries that define the word external angles:

General (6 matching dictionaries)

1. external angles: Merriam-Webster
2. external angles: Vocabulary.com
3. external angles: Wordnik
4. External angles: Dictionary.com
5. external angles: FreeDictionary.org
6. External angles: TheFreeDictionary.com

(Note: See external_angle as well.)

Definitions from WordNet (external angle) ▸ noun:  the supplement of an interior angle of a polygon ▸ Also see external_angle Phrases: Internal and external angles, more... ▸ Words similar to external angles ▸ Usage examples for external angles ▸ Idioms related to external angles ▸ Wikipedia articles (New!) ▸ Words that often appear near external angles ▸ Rhymes of external angles ▸ Invented words related to external angles