https://www.khanacademy.org/math/class-10-geometry-od/x6c43792871149241:construction/x6c43792871149241:construction-triangle/v/inscribe-and-circumscribe-a-triangle 2026-05-07T12:00:39.408441923Z Inscribe and circumscribe a triangle Learn how to inscribe and circumscribe a triangle similar to a given triangle in and about a circle with clear, step‑by‑step construction. In this lesson, we not only show the geometric steps but also justify each move with appropriate proofs, ensuring you understand both the process and the reasoning behind it. With diagrams and logical explanations, you’ll see how similarity, circle properties, and triangle geometry come together to make the construction precise and meaningful. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Inscribe and circumscribe a triangle Learn how to inscribe and circumscribe a triangle similar to a given triangle in and about a circle with clear, step‑by‑step construction. In this lesson, we not only show the geometric steps but also justify each move with appropriate proofs, ensuring you understand both the process and the reasoning behind it. With diagrams and logical explanations, you’ll see how similarity, circle properties, and triangle geometry come together to make the construction precise and meaningful. https://cdn.kastatic.org/ka-youtube-converted/BuUWAiBcwtA.mp4/BuUWAiBcwtA.mp4 386 Construction: Triangle