\input fig4tex.tex % \figinit{0.5in} % 1. Characteristic points \figpt 1:$O$(0,0) \figpt 2:$M$(-0.9354, 0.45467) %Compute distance between O and M \figget distance=\DistOM[1,2] %Define translation vector \figvectC 10(\DistOM,0) %Define translated points \figpttra 3:$P$=1/1,10/ \figpttra 4:$Q$=3/1.5,10/ % % 2. Creation of the graphical file \figdrawbegin{} \figdrawcirc 1(\DistOM) \figget distance=\DistPQ[3,4] \figdrawcirc 4(\DistPQ) \figdrawend % % 3. Writing text on the figure \figvisu{\figBoxA}{\bf Tangent circles} { \figset write(mark=$\times$) \figwritenw 2:(0.04)\figwritee 3:(0.04) \figset write(mark=.) \figwriten 1:(0.08)\figwriten 4:(0.08) } \centerline{\box\figBoxA} \bye