Geometry Problems, Online Education

Geometry Problem 375: Triangle, Excenter, External Angle Bisectors

The figure shows a triangle ABC with the excenter E (point of intersection of one of the internal angle bisectors and two of the external angle bisectors). Prove that External angle bisectors, formula to prove.

Triangle, Excenter, External angle bisectors

Home | SearchGeometry | Problems | All Problems | 371-380 | Email | View or post a solution