https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:week-1/x01cb2212e31ce997:basic-concepts-in-geometry/v/lines-line-segments-rays-indian-accent 2025-06-04T10:04:13.13703146Z Lines, line segments, & rays Learn the difference between lines, line segments, and rays.  Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Lines, line segments, & rays Learn the difference between lines, line segments, and rays.  https://cdn.kastatic.org/ka-youtube-converted/xNWmto_kwzk.mp4/xNWmto_kwzk.mp4 218 Basic concepts in geometry https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:week-1/x01cb2212e31ce997:basic-concepts-in-geometry/v/parallel-perpendicular-lines-intro-indian-accent 2025-05-30T05:30:36.604331212Z Parallel & perpendicular lines intro Parallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Parallel & perpendicular lines intro Parallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines. https://cdn.kastatic.org/ka-youtube-converted/pyAVf_K2vME.mp4/pyAVf_K2vME.mp4 129 Basic concepts in geometry https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:week-1/x01cb2212e31ce997:basic-concepts-in-geometry/v/parallel-perpendicular-lines_indian_accent 2025-06-05T09:01:06.799874579Z Parallel & perpendicular lines Parallel lines are lines that never intersect, and they form the same angle when they cross another line. Perpendicular lines intersect at a 90-degree angle, forming a square corner. We can identify these lines using angles and symbols in diagrams. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Parallel & perpendicular lines Parallel lines are lines that never intersect, and they form the same angle when they cross another line. Perpendicular lines intersect at a 90-degree angle, forming a square corner. We can identify these lines using angles and symbols in diagrams. https://cdn.kastatic.org/ka-youtube-converted/hi9gcD_dz6s.mp4/hi9gcD_dz6s.mp4 210 Basic concepts in geometry https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:week-1/x01cb2212e31ce997:basic-concepts-in-geometry/e/revision-basic-concepts-in-geometry-class-6 2026-03-28T05:22:52.02396831Z Revision Basic concepts in geometry class 6 . Khan Academy exercise