https://www.khanacademy.org/math/tg-math-class-7-bridge/x2648a6cb9a4fb7d5:2d-and-3d-shapes/x2648a6cb9a4fb7d5:polygons/v/what-are-polygons-ur 2025-08-07T23:47:30.929898503Z What are Polygons? Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw What are Polygons? Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/qaFWkSmdZx8.mp4/qaFWkSmdZx8.mp4 194 Polygons https://www.khanacademy.org/math/cc-fifth-grade-math/properties-of-shapes/properties-shapes/a/polygons-review 2021-06-30T20:49:35Z Polygons review Review the term polygon and name polygons with up to 8 sides.  Then, try some practice problems. article https://www.khanacademy.org/math/class-9-geometry-od/x0a98afb01410c41a:quadrilaterals/x0a98afb01410c41a:polygons/e/concave-vs-convex--regular-vs-irregular-polygons-8th 2025-02-18T07:52:09.551150445Z Polygon types concave vs convex, regular vs irregular polygons supriya exercise https://www.khanacademy.org/math/cc-fourth-grade-math/plane-figures/imp-classifying-geometric-shapes/v/classifying-shapes-examples 2021-06-30T20:49:33Z Classifying shapes by line and angles types Sal categorizes shapes based on their sides and angles.   Sal Khan video https://cdn.kastatic.org/googleusercontent/jXFtCZijs3XDH_1mDDmCxs6logFqkP5yyb90tWzuoQUvwGAnoVkKujTVct490DJSyDOe8I-7UxR5CMmn5XQuRJJk9g Classifying shapes by line and angles types Sal categorizes shapes based on their sides and angles.   https://cdn.kastatic.org/ka-youtube-converted/PiQxA9O7Rd8.mp4/PiQxA9O7Rd8.mp4 135 Polygons https://www.khanacademy.org/math/cc-fifth-grade-math/properties-of-shapes/properties-shapes/e/classifying-shapes 2025-01-03T18:43:44.604383959Z Classifying shapes Practice classifying shapes and determining which categories and subcategories each shape belongs to. Kami Soltesz exercise https://www.khanacademy.org/math/cc-fifth-grade-math/properties-of-shapes/properties-shapes/e/properties-of-shapes 2023-06-30T00:38:32.470227414Z Properties of shapes Identify and compare shapes based on their attributes.  Shapes include triangle types, quadrilateral types, pentagons, and hexagons. jenoverholt exercise https://www.khanacademy.org/math/cc-third-grade-math/quadrilaterals-3rd/imp-quadrilaterals/v/introduction-to-types-of-quadrilaterals 2021-06-30T20:49:33Z Intro to quadrilaterals Sal discovers attributes and features of four-sided shapes, including parallelograms, rhombuses, rectangles, and squares. video https://cdn.kastatic.org/googleusercontent/USL90HJ9Vg4UpEx0HmZaM1EOPVJdmWZ8p7txFoF4pibbzlPR7Pr3rEqO8fvp3C9hkC_fAhqdcv4bwNVByjtUQM8 Intro to quadrilaterals Sal discovers attributes and features of four-sided shapes, including parallelograms, rhombuses, rectangles, and squares. https://cdn.kastatic.org/ka-youtube-converted/H-ykHosJW9c.mp4/H-ykHosJW9c.mp4 487 Polygons https://www.khanacademy.org/math/cc-third-grade-math/quadrilaterals-3rd/imp-quadrilaterals/a/identify-quadrilaterals 2021-06-30T20:49:36Z Identifying quadrilaterals Classify quadrilaterals, including rectangles, rhombuses, and squares.  article https://www.khanacademy.org/math/cc-third-grade-math/quadrilaterals-3rd/imp-quadrilaterals/e/identify-quadrilaterals 2025-01-03T18:38:20.998556364Z Identify quadrilaterals Identify squares, rectangles, and rhombuses. Lindsay exercise