钝角三角形 /dùnjiǎo sānjiǎoxíng/ angolul

obtuse triangle▼(triangle with an obtuse angle)
noun
[UK: əb.ˈtjuːs ˈtraɪæŋ.ɡl̩] [US: abˈtuːs ˈtraˌjæŋ.ɡl̩]