http://direct.ecency.comhttp://direct.ecency.com/logo512.pnghttp://direct.ecency.comRSS for NodeThu, 09 Apr 2026 15:12:46 GMT0 , then the segment makes an actual angle with the positive direction of X-axis. 2. If m<0 , the line segment makes an obtuse angle with the positive direction of X-axis. 3. If m is either]]>http://direct.ecency.com/behs/@jealeon/mathnhttp://direct.ecency.com/behs/@jealeon/mathnSun, 29 Jul 2018 01:22:00 GMT