ngũ giác

== Vietnamese == === Etymology === Sino-Vietnamese word from 五角, composed of 五 (“five”) and 角 (“angles”). === Pronunciation === (Hà Nội) IPA(key): [ŋu˦ˀ˥ zaːk̚˧˦] (Huế) IPA(key): [ŋʊw˧˨ jaːk̚˦˧˥] (Saigon) IPA(key): [ŋʊw˨˩˦ jaːk̚˦˥] === Noun === ngũ giác (geometry) pentagon