two circles part2Ā@Ā@
Ā@There are two circles.Circle O' is outside of circle O.Circle O' is rolling on circle O.
is on circle O'.
Move point P to find the geometric quality of point Q.
Ā@You can also change the numbers (TO,TO',QO',TO',n) on CABRI
Download CABRIáU data (d57) from here.