input geometriesyr16;

figure(0,0,8u,6u);
pair A,B,C,D,M;
D=u*(0.75,0.75);
C=u*(7.25,0.75);
B=4/7[C,rotation(D,C,-90)];
A-B=D-C;
M=1/5[D,C];
trace A--B--C--D--cycle;
nomme.llft(D);
nomme.lrt(M);
nomme.lrt(C);
nomme.urt(B);
nomme.ulft(A);
trace A--M--B;
trace cotation(D,M,-5mm,2mm,btex $x$ etex);
trace cotationmil(C,B,-3mm,10,btex $8$ etex);
trace cotationmil(A,B,3mm,10,btex $14$ etex);
trace hachurage(A--M--D--cycle,60,0.4,0);
trace hachurage(triangle(B,M,C),120,0.4,1);
fin;

end