球きゅう面めん三さん角かく法ほうMeaningsNoun1. spherical trigonometryKanji used球sphere面surface三three角angle法lawPitch accentきゅうめんさんかくほうきゅうめんさんかくほうきゅうめんさんかくほうComposed of球きゅう面めんspherical surface; sphereNoun三さん角かくtriangle; triangular shapeNoun法ほうlaw; act; principle; method; mood; dharmaNoun