Date: Jun 6, 2001 10:37 AM
Author: ontadian@hotmail.com
Subject: Overlapping circles

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).