> > Two circles of diameter (d) and (2*d) overlap (not > > over the centres) > > so that they have a common chord of length (c). > The > > measurement across > > the two circles perpendicular to the chord is (s) > > distance. I need to > > find the diameters in terms of (c) and (s). > > > > > > I would like any further thoughts on this problem.
since the original problem has been solved elegantly, I would suggest to modify the problem by replacing the second circle with its inscribed equilateral triangle.