Go Geometry Problems

Online Geometry Problem 703: Triangle, Incircle, Tangency point, Diameter, Congruence. Level: High School, Honors Geometry, College, Mathematics Education

The incircle O of a triangle ABC touch BC at D. DE is a diameter and AE extended meets BC at F. Prove that BF and CD are congruent. (See the figure.)
 

Triangle, Incircle, Diameter, Congruence, Problem
 

Problem 703 on Twitter

Home | SearchGeometry | Problems | All Problems | Open Problems | Visual Index | Problems Art Gallery | 701-710  | Circles | Triangles | Incircle | Congruence | Email | Post a comment or solution | by Antonio Gutierrez