“Geometry: An Interactive Journey to Mastery” S:1 E:19 The Geometry of a Circle

S:1 E:19 The Geometry of a Circle Explore the world of circles! Learn the definition of a circle as well as what mathematicians mean when they say things like radius, chord, diameter, secant, tangent, and arc. See how these interact, and use that knowledge to prove the inscribed angle theorem and Thales’ theorem.