https://www.khanacademy.org/math/geometry/hs-geo-solids/hs-geo-2d-vs-3d/v/rotating-2d-shapes-in-3d 2021-05-05T14:53:24Z Rotating 2D shapes in 3D If you rotate a 2D shape about an axis, the shape will define a 3D object. Watch Sal rotating various 2D shapes and see what 3D objects he gets! video https://cdn.kastatic.org/googleusercontent/pRZb194RenTJ15sFyN93UFXDnwgELCAFDluzNa4_F2M3HzTsmxo9ykV7r4bEn90a_T_G-iC2qhmpreaJCTekF2NE1g Rotating 2D shapes in 3D If you rotate a 2D shape about an axis, the shape will define a 3D object. Watch Sal rotating various 2D shapes and see what 3D objects he gets! https://cdn.kastatic.org/ka-youtube-converted/vdpyWeiHXmU.mp4/vdpyWeiHXmU.mp4 252 Resulting image after rotation https://www.khanacademy.org/math/cc-eighth-grade-math/geometric-transformations/rotations-8th/e/rotate-points--basic- 2026-06-30T22:20:38.649299897Z Rotate points (basic) Given a point and a definition of a rotation, plot the rotation on a coordinate plane or identify the coordinates of the rotated point.  Rotations are about the origin and multiples of 90º. Lindsay exercise https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-transformations-intro/a/intro-to-rotations 2022-06-13T22:23:00.945663613Z Rotations intro Learn what rotations are and how to perform them in our interactive widget. article