優ゆう角かくゆうかくじ字FuriganaMeanings1nounreflex angleA geometry term for an angle greater than 180° and less than 360°. Contrasts with 劣角 (れっかく, 'minor angle').See also: 劣角優ゆう角かくは180度どより大おおきく360度どより小ちいさい角かくです。A reflex angle is an angle greater than 180 degrees and less than 360 degrees.
