Read Edit View history 弦切角 xiánqiējiǎo chord angle Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 弦切角 · xiánqiējiǎo · chord angle 2026/03/04 弦切角 xiánqiējiǎo chord angle chord angle (the angle formed by a chord and the tangent line at its endpoint) 弦切角等于它所夹的弧所对的圆周角。 created sense Mar 4, 2026, 02:25 AM