平へい面めん三さん角かく法ほうMeaningsNoun1. planar trigonometryKanji used平flat面surface三three角angle法lawPitch accentへいめんさんかくほうへいめんさんかくほうへいめんさんかくほうComposed of平へい面めんlevel surface; planeNoun三さん角かくtriangle; triangular shapeNoun法ほうlaw; act; principle; method; mood; dharmaNoun