right-angled triangle right-angled • right-angular · · · Info · Definitions · Synonyms · Characters · · right-angled triangle · · Text Common · · Latin · · Scripts 21 · · Length 5 · · Syllables Definitions · · · (noun) a triangle with one right angle. Synonyms: right triangle, right-angled triangle. · · Noun Definition 1 Synonyms · · · right triangle · · Synonym 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074