https://www.khanacademy.org/math/ka-math-class-7/x26f4f4b84655c15c:perimeter-and-area-ncert-new/x26f4f4b84655c15c:area-of-a-parallelogram/v/area-of-a-parallelogram-indian-accent 2025-06-11T06:57:28.626512552Z Area of a parallelogram Discover the magic of geometry! The area of a rectangle and a parallelogram can be calculated in the same way. Just multiply the base by the height! This simple trick works because a parallelogram can be rearranged into a rectangle. Geometry is full of surprises! Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Area of a parallelogram Discover the magic of geometry! The area of a rectangle and a parallelogram can be calculated in the same way. Just multiply the base by the height! This simple trick works because a parallelogram can be rearranged into a rectangle. Geometry is full of surprises! https://cdn.kastatic.org/ka-youtube-converted/EW4XtRVVYiI.mp4/EW4XtRVVYiI.mp4 166 Area and perimeter https://www.khanacademy.org/math/ka-math-class-7/x26f4f4b84655c15c:perimeter-and-area-ncert-new/x26f4f4b84655c15c:area-of-a-parallelogram/v/finding-height-of-a-parallelogram_indian_accent 2025-06-11T06:57:28.626512552Z Finding height of a parallelogram In this lesson, we learned that the area of a parallelogram equals the base times the height. Given an area of 24 units and a base of 6 units, we used this formula to find the missing height. The answer was 4 units. Isn't math fun? Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Finding height of a parallelogram In this lesson, we learned that the area of a parallelogram equals the base times the height. Given an area of 24 units and a base of 6 units, we used this formula to find the missing height. The answer was 4 units. Isn't math fun? https://cdn.kastatic.org/ka-youtube-converted/U37M1k5g1FE.mp4/U37M1k5g1FE.mp4 85 Area and perimeter https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:cc-6th-plane-figures/cc-6th-area-triangle/v/intuition-for-area-of-a-triangle 2023-06-30T00:54:25.287354524Z Area of a triangle The area of a rectangle and a parallelogram is found by multiplying the base by the height. For a triangle, the area is half of a parallelogram's, so it's calculated by multiplying the base by the height and then dividing by 2. video https://cdn.kastatic.org/googleusercontent/Fi9pR66SMMyijKzoyFIw6a2cHjUub-HncPLAlfT0a90llRBEciMFgGmv-CAlSSHoRNi9iIgUuqiBYzHBnwv9yt4 Area of a triangle The area of a rectangle and a parallelogram is found by multiplying the base by the height. For a triangle, the area is half of a parallelogram's, so it's calculated by multiplying the base by the height and then dividing by 2. https://cdn.kastatic.org/ka-youtube-converted/rRTXKQpblEc.mp4/rRTXKQpblEc.mp4 330 Area and perimeter https://www.khanacademy.org/math/geometry/hs-geo-congruence/hs-geo-quadrilaterals-theorems/v/proof-rhombus-area-half-product-of-diagonal-length 2021-02-16T16:08:13Z Proof: Rhombus area Sal proves that we can find the area of a rhombus by taking half the product of the lengths of the diagonals. Sal Khan video https://cdn.kastatic.org/googleusercontent/tAx2OHIpfuY5ZPgHnxPkPDD7sTS-b1wiePEMxwLKtkEfcnXauiufIaiz_VfNArV-w8Cm9PUFWgg0P15o8nenBxk Proof: Rhombus area Sal proves that we can find the area of a rhombus by taking half the product of the lengths of the diagonals. https://cdn.kastatic.org/ka-youtube-converted/3FManXv4mZM.mp4/3FManXv4mZM.mp4 307 Area and perimeter https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-area-circumference/v/circles-radius-diameter-and-circumference 2021-06-30T20:49:37Z Radius, diameter, circumference & π Learn how the number Pi allows us to relate the radius, diameter, and circumference of a circle. Sal Khan video https://cdn.kastatic.org/googleusercontent/TLRuj1PCo00-m630Rv6jN-NEQTXT_AAFdWwrgC7njoUcaP5MooZh-5dfj4itwmerlVI4-bZmb_MhBEO69oRmKlkz Radius, diameter, circumference & π Learn how the number Pi allows us to relate the radius, diameter, and circumference of a circle. https://cdn.kastatic.org/ka-youtube-converted/jyLRpr2P0MQ.mp4/jyLRpr2P0MQ.mp4 665 Area and perimeter https://www.khanacademy.org/math/class-7-tg/x476671d9fb9d8978:area-and-perimeter/x476671d9fb9d8978:rectangular-paths/v/area-of-rectangular-paths 2026-01-16T08:50:31.625125949Z Area of Rectangular Paths Ever wondered how to calculate the area of a path around a garden or the space covered by intersecting walkways in a park? This video explores the practical geometry of Area of Rectangular Paths and teaches you two essential techniques: the "Outer minus Inner" rule for paths surrounding a shape, and the "Subtraction of Overlap" method for crossing paths. Learn through step by step examples using both rectangular and square parks, including a detailed cost analysis for paving. Master area calculations in complex, real world scenarios with clear demonstrations of how to handle overlapping paths and surrounding borders! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Area of Rectangular Paths Ever wondered how to calculate the area of a path around a garden or the space covered by intersecting walkways in a park? This video explores the practical geometry of Area of Rectangular Paths and teaches you two essential techniques: the "Outer minus Inner" rule for paths surrounding a shape, and the "Subtraction of Overlap" method for crossing paths. Learn through step by step examples using both rectangular and square parks, including a detailed cost analysis for paving. Master area calculations in complex, real world scenarios with clear demonstrations of how to handle overlapping paths and surrounding borders! https://cdn.kastatic.org/ka-youtube-converted/7iA7agY_1C0.mp4/7iA7agY_1C0.mp4 341 Area and perimeter https://www.khanacademy.org/math/revision-tg-math-class-7/x49a72ea63977ab7d:week-3/x49a72ea63977ab7d:area-and-perimeter/e/revision-area-and-perimeter-tg-class-7 2026-02-18T21:20:35.275198076Z Revision area and perimeter TG class 7 . Khan Academy exercise