\begin{tikzpicture}
\clip (0,0) circle (2cm);
\coordinate (o) at (0,0);
\coordinate (A) at (2,0);
\coordinate (p) at (90:.4);
\coordinate (q) at (50:1.6);
\coordinate (r) at (300:1.4);
\tkzDrawCircle[dashed,color=blue](o,A)
\hyperpbisector{p}{q}{o}{A};
\hyperpbisector{p}{r}{o}{A};
\hyperpbisector{q}{r}{o}{A};
\tkzDrawPoints[size=4,fill=red](p,q,r)
\tkzLabelPoints(q)
\tkzLabelPoints[right](p,r)
\draw (-1,.4) node{\(L_{qr}\)};
\draw (-1,-1.2) node{\(L_{pr}\)};
\draw (0,1.4) node{\(L_{pq}\)};
\end{tikzpicture}