rechtwinkliges dreieck znamená v Angličtina

right-angled triangle▼◼◼◼noun
[UK: raɪt ˈæŋ.ɡl̩d ˈtraɪæŋ.ɡl̩] [US: ˈraɪt ˈæŋ.ɡl̩d ˈtraˌjæŋ.ɡl̩]