https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-angles/v/angle-basics 2021-06-30T20:49:32Z Angles: introduction Two rays that share the same endpoint form an angle. Learn about angles and the parts of an angle, like the vertex. Sal Khan video https://cdn.kastatic.org/googleusercontent/OiWEcQJuUwuBizhFxcflrEDtYQE0F8Hl2xR3vqY3VA0eSSYntfsQiuoz69dkBWU9pqdIe2Sy99yqWwlJjX_E1JFmLQ Angles: introduction Two rays that share the same endpoint form an angle. Learn about angles and the parts of an angle, like the vertex. https://cdn.kastatic.org/ka-youtube-converted/H-de6Tkxej8.mp4/H-de6Tkxej8.mp4 409 Angles https://www.khanacademy.org/math/cc-fourth-grade-math/plane-figures/imp-angle-introduction/v/naming-angles 2021-06-30T20:49:37Z Naming angles Sal names angles based on their vertex and endpoints. Sal Khan video https://cdn.kastatic.org/googleusercontent/NdvW6uOwIsTqM-ULzK_B1Le10viMa6aceiPx5uB2HYh1vRL5_xmuE7N_LLDXH6bo_OFW2VF5AKPso7B5bQeNpsnp Naming angles Sal names angles based on their vertex and endpoints. https://cdn.kastatic.org/ka-youtube-converted/6vRgqB0PSXE.mp4/6vRgqB0PSXE.mp4 71 Angles https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-angles/v/complementary-and-supplementary-angles 2021-07-02T09:35:33Z Complementary & supplementary angles Learn about complementary and supplementary angles, as well as the definitions of adjacent and straight angles. Sal Khan video https://cdn.kastatic.org/googleusercontent/qDVRlJF769umQwhK0k5Gws2kWYPwSZplfCVSDfogMTaAgwYWW_U-6rLm70oo6ChLWcrKMyh4Np5FI6xpBfkMBSDydw Complementary & supplementary angles Learn about complementary and supplementary angles, as well as the definitions of adjacent and straight angles. https://cdn.kastatic.org/ka-youtube-converted/BTnAlNSgNsY.mp4/BTnAlNSgNsY.mp4 511 Angles https://www.khanacademy.org/math/revision-up-math-class-6/x362f281d7ea4c7a1:week-2-revision-up-math-class-6/x362f281d7ea4c7a1:angles-revision-up-class-6-math/e/revision-angles-up-math-class-6 2026-04-07T23:36:17.218592739Z Revision Angles Practice problems for revision of Angles. Satya Swaroop exercise