RY2QRg
Written on June 24, 2019
% Dans le préambule
% -----------------
\usepackage{pstricks-add}
% -----------------
\psset{unit=0.666cm} % Echelle 1/3
\begin{pspicture}(-3,0)(3.5,3.5)
\pspolygon(!0 0)(!0 2 sqrt 2 add)
(!2 sqrt 2 add 0)
\pscircle[linecolor=gray](!1 1){1}
\end{pspicture}