HTML5 Animation: Lemoine Line Theorem, Triangle, Circumcircle, Tangent, Collinear, Interactive illustration. Elearning. College Geometry

Lemoine Line Theorem: Triangle, Circumcircle, Tangent, Vertices, Collinear Points. Level: High School, College. Step-by-step illustration. HTML5 Animation for iPad and Nexus

Tangents to the circumcircle of triangle ABC, at points A, B, and C, meet sides BC, AC, and BA at points D, E, and F respectively. Prove that point D, E, and F are collinear. Click the Next button above to start the step-by-step illustration.

Lemoine Line Theorem, HTML5 Animation for iPad and Nexus