https://www.khanacademy.org/math/geometry-home/geometry-shapes/geometry-curves-and-polygons/v/intro-to-curves-basic-geometrical-ideas-class-6-india-khan-academy 2020-09-30T07:51:32Z Intro to curves In daily language, we all use the word curve to mean "not straight" but does the word curve have the same meaning in math? Can a straight line be a curve? Also, what makes a curve a 'simple curve'? Aanand Srinivas video https://cdn.kastatic.org/googleusercontent/XFp8kCxxaZ3f1QZdwIdE6vUTPWRet8vGezXlEog0lgg6ZEeoz6MYTH_ttjb7-GRpCmUrVC2IyEsLngNMjRkcnvG7 Intro to curves In daily language, we all use the word curve to mean "not straight" but does the word curve have the same meaning in math? Can a straight line be a curve? Also, what makes a curve a 'simple curve'? https://cdn.kastatic.org/ka-youtube-converted/EhmPK6iLz0Q.mp4/EhmPK6iLz0Q.mp4 412 Curves and polygons https://www.khanacademy.org/math/geometry-home/geometry-shapes/geometry-curves-and-polygons/e/open-and-closed-curves 2026-04-07T22:23:57.656416987Z Open and closed curves Let's spot the difference between an open and a closed curve. Aanand exercise https://www.khanacademy.org/math/geometry-home/geometry-shapes/geometry-curves-and-polygons/v/polygons-as-special-curves-basic-geometrical-ideas-class-6-india-khan-academy 2020-09-30T07:51:31Z Polygons as special curves You may have learnt that triangles, rectangles etc. are all examples of polygons but that circles are not. What exactly makes a curve a polygon? Aanand Srinivas video https://cdn.kastatic.org/googleusercontent/ckRjsH6uJtzQAEOQ-13-vPvrWm1omm0P1j7-mEZDEXFc-yHR5i7-VP9Knj07Q2S7HoHokCB7vUFtVVEuf91ZjPG2 Polygons as special curves You may have learnt that triangles, rectangles etc. are all examples of polygons but that circles are not. What exactly makes a curve a polygon? https://cdn.kastatic.org/ka-youtube-converted/hGRu2Pyl92w.mp4/hGRu2Pyl92w.mp4 193 Curves and polygons https://www.khanacademy.org/math/revision-term-1-tg-math-lass-6/x0ef789b44aba665e:week-3/x0ef789b44aba665e:basic-geometrical-ideas/e/interior-and-exterior-of-closed-concepts-6th 2026-04-07T22:59:30.107127435Z Position of a point in curves and polygons Position of a point in curves and polygons supriya exercise