Read Edit View history 锐角 ruìjiǎo acute angle Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 锐角/銳角 · ruìjiǎo · acute angle 2026/03/04 锐角 / 銳角 ruìjiǎo acute angle acute angle 在几何学中，锐角是指小于九十度的角。 noun created sense Mar 4, 2026, 02:25 AM