直角 zhíjiǎo right angle Origin Definitions Defs Strokes Stroke Words Sentences Sents 直角三角形 zhíjiǎosānjiǎoxíng right triangle right-angled triangle直角坐标 zhíjiǎozuòbiāo rectangular coordinates 直角尺 zhíjiǎochǐ set square a set square or carpenter's square直角器 zhíjiǎoqì set square a set square (carpenter's tool)