We found 15 dictionaries that define the word right-angled triangle:

General (12 matching dictionaries)

1. right-angled triangle: Merriam-Webster
2. right-angled triangle, right-angled triangle: Collins English Dictionary
3. right-angled triangle: Vocabulary.com
4. right-angled triangle: Cambridge Advanced Learner's Dictionary
5. right-angled triangle: Wiktionary
6. right-angled triangle: Dictionary.com
7. Right-angled triangle: Wikipedia, the Free Encyclopedia
8. right-angled triangle: Rhymezone
9. right-angled triangle: FreeDictionary.org
10. right-angled triangle: Mnemonic Dictionary
11. right-angled triangle: TheFreeDictionary.com

Business (1 matching dictionary)

12. right-angled triangle: Financial dictionary

Computing (1 matching dictionary)

13. right-angled triangle: Encyclopedia

Medicine (1 matching dictionary)

14. right-angled triangle: Medical dictionary

(Note: See right-angled_triangles as well.)

Definitions from Wiktionary (right-angled triangle) ▸ noun:  (geometry) A right triangle. Similar: right triangle, acute-angled triangle, right trapezoid, acute triangle, orthogon, straight angle, right angle, hyperrectangle, full angle, Reuleaux triangle, more... Opposite: oblique triangle, acute triangle ▸ Words similar to right-angled triangle ▸ Usage examples for right-angled triangle ▸ Idioms related to right-angled triangle ▸ Wikipedia articles (New!) ▸ Words that often appear near right-angled triangle ▸ Rhymes of right-angled triangle ▸ Invented words related to right-angled triangle