Go Geometry Problems

Online Geometry Problem 912: Right Triangle, Double Angle, Triple Angle, Perpendicular Lines. Level: High School, College, Mathematics Education

< PREVIOUS PROBLEM  |  NEXT PROBLEM >

The figure shows a right triangle ABC, D is on AC extended and E on AB extended, angle A = 2(angle CBD), and angle BCE = 3(angle CBD). Prove that ED is perpendicular to AC.

 

Geometry Problem 912: Right Triangle, Double Angle, Triple Angle, Perpendicular Lines
 

Home | SearchGeometry | Problems | All Problems | Open Problems | Visual Index | 10 Problems | Problems Art Gallery Art | 911-920 | Triangles | Right Triangle | Double Angle | Perpendicular lines | by Antonio Gutierrez

Add a Solution to the Problem 912