In the figure below, AB and AC are tangent to a circle of center O. OA cuts BC at D, AEF is a secant and ED cuts the circle at G. Prove that GF and BC are parallel.
See also:
Typography of problem 1354.
Geometry Problems
Ten problems: 1351-1360
Visual Index
Open Problems
All Problems
Circle
Tangent Line
Chord
Parallel lines
View or Post a solution