

Geometry
Problem 452: Triangle, Circle, Tangent, Proportional
Segments

The figure shows a triangle ABC and a circle
O tangent to AB, BC, and EF at the points A, D, and E, respectively. If
AB = c, EF = d, and CF = x, prove that
.



More Problems:



Proposed Problem 453.
Intersecting Circles, Tangent, Circular Segment, Congruence, Area. 


Proposed Problem 451.
Triangle, Median, Congruence, Proportional Segments. 


Proposed Problem 450.
Triangle, Median, Cevian, Congruence, Proportional Segments. 


Proposed Problem 449.
Congruent Tangent Circles, Diameter, Sagitta, Arc, Perpendicular, Chord. 









