Geometry Problem 1432: Tangent Circles, Secant, Tangent Lines,
The figure below shows
circle O1 and O2 tangent at T. Lines AB and CD pass
through T. AE = a and CF = c are tangent to circle O2. BG = b
and DH = d are tangent to circle O1. Prove that a/c = b/d.
Typography and Sketching of Problem 1432 using iPad Apps