\begin{ccRefFunction}{squared_area}

\ccHtmlNoLinks
\ccFunction{Kernel::FT squared_area(const Point_3<Kernel>& p,
                                    const Point_3<Kernel>& q,
                                    const Point_3<Kernel>& r);}
{returns the squared area of the triangle defined by the points $p$,
 $q$ and $r$. }
       
\end{ccRefFunction}