https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:circles/x06d55bfa213a79fd:untitled-272/v/circle-glossary 2026-01-29T11:30:45.894090521Z Circles glossary Language and notation of the circle Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Circles glossary Language and notation of the circle https://cdn.kastatic.org/ka-youtube-converted/s8OdcJv27Gs.mp4/s8OdcJv27Gs.mp4 672 Definitions https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:circles/x06d55bfa213a79fd:untitled-272/v/basic-terms-related-to-circle-2 2026-03-11T06:20:45.557347727Z Basic terms related to circle - 2 How do we precisely describe the different regions and lines within a circle? This video introduces the fundamental vocabulary of circle geometry. You'll learn to identify and name parts like the chord, segment, sector, and arc. We’ll explore how a chord divides a circle into minor and major segments and how a special chord—the diameter—creates two equal semicircles. You'll also discover the sector, a region bounded by two radii, and see how these parts relate to the circle's circumference, known as arcs. By the end, you'll have a clear visual toolkit for mastering coordinate geometry! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Basic terms related to circle - 2 How do we precisely describe the different regions and lines within a circle? This video introduces the fundamental vocabulary of circle geometry. You'll learn to identify and name parts like the chord, segment, sector, and arc. We’ll explore how a chord divides a circle into minor and major segments and how a special chord—the diameter—creates two equal semicircles. You'll also discover the sector, a region bounded by two radii, and see how these parts relate to the circle's circumference, known as arcs. By the end, you'll have a clear visual toolkit for mastering coordinate geometry! https://cdn.kastatic.org/ka-youtube-converted/wvU5NTGPraA.mp4/wvU5NTGPraA.mp4 264 Definitions https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:circles/x06d55bfa213a79fd:untitled-272/e/vocab-around-a-circle-6th 2026-04-08T00:16:02.937952483Z Circle vocabulary Vocab around a circle supriya exercise