https://www.khanacademy.org/math/5th-grade-math-eureka-squared-aligned/xaf06646de8e27a4f:addition-and-multiplication-with-area-and-volume/xaf06646de8e27a4f:analyze-hierarchies-and-identify-properties-of-quadrilaterals/v/intro-to-quadrilateral-indian-accent 2025-06-04T10:04:13.13703146Z Intro to quadrilateral There are many different types of quadrilaterals. A quadrilateral is defined as a two-dimensional shape with four sides, four vertices, and four angles. There are two main types: concave and convex. There are also various subcategories of convex quadrilaterals, such as trapezoids, parallelograms, rectangles, rhombi, and squares. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Intro to quadrilateral There are many different types of quadrilaterals. A quadrilateral is defined as a two-dimensional shape with four sides, four vertices, and four angles. There are two main types: concave and convex. There are also various subcategories of convex quadrilaterals, such as trapezoids, parallelograms, rectangles, rhombi, and squares. https://cdn.kastatic.org/ka-youtube-converted/Xb8QJqe347k.mp4/Xb8QJqe347k.mp4 493 Quadrilaterals https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:quadrilaterals/x06d55bfa213a79fd:types-of-quadrilaterals/v/quadrilateral-types-indian-accent 2025-06-04T10:04:13.13703146Z Quadrilateral types Learn to identify quadrilaterals such as kites, trapezoids, parallelograms, rhombuses, rectangles, and squares by side length, presence of parallel sides, and angle type. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Quadrilateral types Learn to identify quadrilaterals such as kites, trapezoids, parallelograms, rhombuses, rectangles, and squares by side length, presence of parallel sides, and angle type. https://cdn.kastatic.org/ka-youtube-converted/ZlQZ0EMCKhc.mp4/ZlQZ0EMCKhc.mp4 168 Quadrilaterals https://www.khanacademy.org/math/5th-grade-math-eureka-squared-aligned/xaf06646de8e27a4f:addition-and-multiplication-with-area-and-volume/xaf06646de8e27a4f:classify-kites-and-squares-based-on-their-properties/v/kites-as-a-geometric-shape-indian-accent 2025-06-04T10:04:13.13703146Z Kites as a geometric shape The video dives into the world of quadrilaterals, specifically focusing on kites. It explores how kites are defined by two pairs of adjacent, congruent sides. It also highlights that the diagonals of a kite intersect at a 90-degree angle, with one line bisecting the other. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Kites as a geometric shape The video dives into the world of quadrilaterals, specifically focusing on kites. It explores how kites are defined by two pairs of adjacent, congruent sides. It also highlights that the diagonals of a kite intersect at a 90-degree angle, with one line bisecting the other. https://cdn.kastatic.org/ka-youtube-converted/-NWighBs6IU.mp4/-NWighBs6IU.mp4 338 Quadrilaterals https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:quadrilaterals/x06d55bfa213a79fd:properties-of-parallelograms/v/proof-opposite-sides-of-a-parallelogram-indian-accent 2025-06-04T10:04:13.13703146Z Proof: Opposite sides of a parallelogram Sal proves that a figure is a parallelogram if and only if opposite sides are congruent. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Proof: Opposite sides of a parallelogram Sal proves that a figure is a parallelogram if and only if opposite sides are congruent. https://cdn.kastatic.org/ka-youtube-converted/gtDZ9hSKSUA.mp4/gtDZ9hSKSUA.mp4 509 Quadrilaterals https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:quadrilaterals/x06d55bfa213a79fd:diagonals-of-a-parallelogram/v/proof-diagonals-of-a-parallelogram-indian-accent 2025-06-04T10:04:13.13703146Z Proof: Diagonals of a parallelogram Sal proves that a quadrilateral is a parallelogram if and only if its diagonals bisect each other. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Proof: Diagonals of a parallelogram Sal proves that a quadrilateral is a parallelogram if and only if its diagonals bisect each other. https://cdn.kastatic.org/ka-youtube-converted/9gAh2lFz5FI.mp4/9gAh2lFz5FI.mp4 547 Quadrilaterals https://www.khanacademy.org/math/geometry/hs-geo-congruence/hs-geo-quadrilaterals-theorems/v/proof-rhombus-diagonals-are-perpendicular-bisectors 2021-02-16T16:08:12Z Proof: Rhombus diagonals are perpendicular bisectors Sal proves that the diagonals of a rhombus are perpendicular, and that they intersect at the midpoints of both. Sal Khan video https://cdn.kastatic.org/googleusercontent/LQrBnagaN7-w5xyWQkeeTmgHttSnMTyzZpXBuIeMI4XA5UGHycO2sqqb56yHNoMSYrMZOty8gt9jMCgCjXy2wmap Proof: Rhombus diagonals are perpendicular bisectors Sal proves that the diagonals of a rhombus are perpendicular, and that they intersect at the midpoints of both. https://cdn.kastatic.org/ka-youtube-converted/GDcVdBAnBdU.mp4/GDcVdBAnBdU.mp4 244 Quadrilaterals https://www.khanacademy.org/math/revision-term-1-mh-math-class-8/x0c43044bb5624863:week-3/x0c43044bb5624863:quadrilateral-construction-and-types/v/rhombus-diagonals-indian-accent 2025-06-04T10:04:13.13703146Z Rhombus diagonals Sal proves that opposite angles of a parallelogram are congruent. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Rhombus diagonals Sal proves that opposite angles of a parallelogram are congruent. https://cdn.kastatic.org/ka-youtube-converted/Hld2HXHe0X0.mp4/Hld2HXHe0X0.mp4 278 Quadrilaterals https://www.khanacademy.org/math/revision-mr-class-9-term-2/x6e82706cbb5834ba:week-2/x6e82706cbb5834ba:quadrilaterals/e/revision-quadrilaterals-mh-class-9 2026-02-03T09:22:16.808346173Z Revision quadrilaterals MH class 9 . Khan Academy exercise