\documentclass[12pt]{article}
\usepackage[latin1]{inputenc}
\def\ratio#1#2{\frac{\overline{#1}}{\overline{#2}}}
\newtheorem{geothm}{Theorem}
\pagestyle{empty}
\addtolength{\textwidth}{2cm}
\begin{document}
\large
\begin{geothm}[Chou 1994 Example 14]
The two lines joining the points of intersection of two orthogonal circles to a point on one of the circles meet the other circle in two diametrically opposite points.
\end{geothm}
nd{document}
