hình nón

== Vietnamese == === Etymology === hình (“shape”) +‎ nón (“conical hat”) === Pronunciation === (Hà Nội) IPA(key): [hïŋ˨˩ nɔn˧˦] (Huế) IPA(key): [hɨn˦˩ nɔŋ˦˧˥] (Saigon) IPA(key): [hɨn˨˩ nɔŋ˦˥] === Noun === hình nón (geometry) cone ==== Usage notes ==== As with other geometric terms, hình nón is considered a shape and only concerns surface area. For the solid which concerns volume, use khối nón instead. ==== Derived terms ==== hình nón cụt (“conic frustum”)