https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-constructing-tangents/v/constructing-a-tangent-line-using-compass-and-straightedge 2021-02-16T16:08:13Z Geometric constructions: circle tangent Sal constructs a line tangent to a circle using compass and straightedge. video https://cdn.kastatic.org/googleusercontent/-Hy88w2YHReNdm4keV7UQRybd0FwkKgze9K8yA5ICxzvc-vIkZmKxIX-Grqfremc_anf5uFMlkmO8fyZYX0ASXxu Geometric constructions: circle tangent Sal constructs a line tangent to a circle using compass and straightedge. https://cdn.kastatic.org/ka-youtube-converted/n5cKWjZqpIE.mp4/n5cKWjZqpIE.mp4 350 Construction of Tangent https://www.khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:geometric-constructions/x5cfe2ca097f0f62c:constructing-tangents-to-a-circle-from-point-outside-the-circle/v/construction-of-tangents-to-circle 2025-12-22T08:10:17.770066407Z Construction of Tangents to Circle Learn how to construct tangents to a circle in this Grade 10 Math tutorial from Khan Academy. We cover the construction of tangents and define both tangents and secants to a circle. Perfect for students studying geometry, circles, and constructions. Master this key concept for high school math success! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Construction of Tangents to Circle Learn how to construct tangents to a circle in this Grade 10 Math tutorial from Khan Academy. We cover the construction of tangents and define both tangents and secants to a circle. Perfect for students studying geometry, circles, and constructions. Master this key concept for high school math success! https://cdn.kastatic.org/ka-youtube-converted/zDStwRlrR8A.mp4/zDStwRlrR8A.mp4 483 Construction of Tangent https://www.khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:geometric-constructions/x5cfe2ca097f0f62c:construction-of-tangent-at-a-point-on-a-circle/e/construction-of-a-tangent-at-a-point-on-a-circle 2026-04-08T00:54:09.631945657Z Construction of a tangent at a point on a circle In this exercise students will learn and apply the foundational knowledge required to construct the tangent at a point on the circle using the centre of the circle and without using centre of the circle. Khan Academy exercise https://www.khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:geometric-constructions/x5cfe2ca097f0f62c:constructing-tangents-to-a-circle-from-point-outside-the-circle/e/construction-of-tangents-to-a-circle-from-an-external-point 2026-04-08T00:54:09.631945657Z Construction of tangents to a circle from an external point In this exercise students learn about how to draw tangents to a circle from an external point and also test their core knowledge about why the construction works? Khan Academy exercise