Two circles and only a straightedge

Abstract

We answer a question of David Hilbert: given two circles it is not possible in general to construct their centers using only a straightedge. On the other hand, we give infinitely many families of pairs of circles for which such construction is possible.

11 pages, 6 figures

Cited by in corpus (1)

• Around Hilbert's theorem: the center of a circle is not constructible by straightedge alone