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• 19:11, 8 November 2007 Minsoens (talk | contribs) uploaded File:AMC12 2006A 17.png (defaultpen(fontsize(10)); pair A=(0,3), B=(0,0), C=(3,0), D=(3,3), E=(3+5/3/sqrt(2),3+5/3/sqrt(2)), F; F=A+sqrt(9+5*sqrt(2))*expi(atan(5/(3*sqrt(2))/(3+(5/3/sqrt(2))))+atan(5/(3*sqrt(9+5*sqrt(2))))); draw(A--B--C--D--A);draw(A--F);draw(circle(E,5/3)); dot)