Let three circles be located such that their centers are non-collinear.
Construct a fourth circle that is
to each of the three circles.
(In reply to What is geometric construction?
by Dej Mar)
To answer the question in the subject line, a geometric construction traditionally is limited to use of straightedge and compass. It's not numerical or algebraic (i.e., not Cartesian, but rather, Euclidean).
Posted by Charlie
on 2008-05-26 12:56:51