\begin{tikzpicture}[rotate=15] \tkzDefPoint(2,3){A} \tkzDefShiftPointCoord[2,3](15:5){B} \tkzDefShiftPointCoord[2,3](-15:5){C} \tkzDrawSegments(A,B B,C C,A) \tkzDrawPoints(A,B,C) \tkzLabelPoints(B,C) \tkzLabelPoint[left](A){$A$} \end{tikzpicture}