input geometriesyr;
figure(0,0,19u,4.5u)
papiercinq((0,0),(19,4.5),bleu);
path cc;
cc=(u*(0.5,3))--(u*(1,3))--(u*(1,3.5))--(u*(0.5,3.5))--cycle;
draw cc withpen pencircle scaled1.25bp;
draw hachurage(cc,60,0.1,0);
label.rt(btex unit\'e d'aire etex,u*(1,3.25));
draw (u*(0.5,4))--(u*(1,4)) withpen pencircle scaled1.5bp;
label.rt(btex unit\'e de longueur etex,u*(1,4));
draw (u*(0.5,0.5))--(u*(3.5,0.5))--(u*(3.5,2.5))--(u*(0.5,2.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal F}_1$ etex,iso(u*(0.5,0.5),u*(3.5,2.5)));
draw (u*(4,0.5))--(u*(4,1))--(u*(4.5,1))--(u*(4.5,1.5))--(u*(5,1.5))--(u*(5,2.5))--(u*(4.5,2.5))--(u*(4.5,3))--(u*(4,3))--(u*(4,3.5))--(u*(7,3.5))--(u*(7,3))--(u*(6.5,3))--(u*(6.5,2.5))--(u*(6,2.5))--(u*(6,1.5))--(u*(6.5,1.5))--(u*(6.5,1))--(u*(7,1))--(u*(7,0.5))--cycle withpen pencircle scaled1.5bp;
label(btex ${\cal F}_2$ etex,u*(5.5,1.75));
draw (u*(7.5,0.5))--(u*(7.5,3.5))--(u*(8.5,3.5))--(u*(8.5,2))--(u*(10.5,2))--(u*(10.5,0.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal F}_3$ etex,u*(8.5,1));
draw (u*(11,0.5))--(u*(11,3))--(u*(14,3))--(u*(14,2.5))--(u*(12.5,2.5))--(u*(12.5,2))--(u*(14,2))--(u*(14,1.5))--(u*(12.5,1.5))--(u*(12.5,1))--(u*(14,1))--(u*(14,0.5))--cycle withpen pencircle scaled1.5bp;
label(btex ${\cal F}_4$ etex,u*(12,1.75));
fin;
figure(0,0,19u,4.5u)
papiercinq((0,0),(19,4.5),bleu);
path cc;
cc=(u*(0.5,3))--(u*(1,3))--(u*(1,3.5))--(u*(0.5,3.5))--cycle;
draw cc withpen pencircle scaled1.25bp;
draw hachurage(cc,60,0.1,0);
label.rt(btex unit\'e d'aire etex,u*(1,3.25));
draw (u*(0.5,4))--(u*(1,4)) withpen pencircle scaled1.5bp;
label.rt(btex unit\'e de longueur etex,u*(1,4));
draw (u*(0.5,0.5))--(u*(3.5,0.5))--(u*(3.5,1.5))--(u*(0.5,1.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal G}_1$ etex,iso(u*(0.5,0.5),u*(3.5,1.5)));
draw (u*(4,0.5))--(u*(6,0.5))--(u*(6,2.5))--(u*(4,2.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal G}_2$ etex,iso(u*(4,0.5),u*(6,2.5)));
draw (u*(6.5,0.5))--(u*(6.5,1))--(u*(7,1))--(u*(7,1.5))--(u*(7.5,1.5))--(u*(7.5,2))--(u*(8,2))--(u*(8,2.5))--(u*(8.5,2.5))--(u*(8.5,0.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal G}_3$ etex,u*(8,1.5));
draw (u*(9,0.5))--(u*(9,1))--(u*(9.5,1))--(u*(9.5,1.5))--(u*(10,1.5))--(u*(10,2))--(u*(10.5,2))--(u*(10.5,1.5))--(u*(11,1.5))--(u*(11,1))--(u*(11.5,1))--(u*(11.5,0.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal G}_4$ etex,u*(10.25,1));
fin;
figure(0,0,19u,5u)
papiercinq((0,0),(19,5),bleu);
path cc,cd,ce,cf;
cc=(u*(0.5,0.5))--(u*(1,0.5))--(u*(1,1))--(u*(0.5,1))--cycle;
draw cc withpen pencircle scaled 1.25bp;
draw hachurage(cc,60,0.1,0);
label.rt(btex unit\'e d'aire 1 etex,u*(1,0.75));
cd=(u*(0.5,1.5))--(u*(1,1.5))--(u*(1,2))--cycle;
draw cd withpen pencircle scaled 1.25bp;
draw hachurage(cd,120,0.1,0);
label.rt(btex unit\'e d'aire 2 etex,u*(1,1.75));
ce=(u*(0.5,2.5))--(u*(1.5,2.5))--(u*(1.5,3.5))--(u*(0.5,3.5))--cycle;
draw ce withpen pencircle scaled 1.25bp;
draw hachurage(ce,90,0.1,0);
label.rt(btex unit\'e d'aire 3 etex,u*(1.5,3));
cf=(u*(0.5,4))--(u*(1.5,4))--(u*(1.5,5))--(u*(1,5))--(u*(1,4.5))--(u*(0.5,4.5))--cycle;
draw cf withpen pencircle scaled1.25bp;
draw hachurage(cf,150,0.1,1);
label.rt(btex unit\'e d'aire 4 etex,u*(1.5,4.5));
draw (u*(4,2.5))--(u*(7,2.5))--(u*(7,4.5))--(u*(4,4.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal H}_1$ etex,iso(u*(4,2.5),u*(7,4.5)));
draw (u*(4,0.5))--(u*(7,0.5))--(u*(7,2))--(u*(4,2))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal H}_2$ etex,iso(u*(4,0.5),u*(7,2)));
draw (u*(8,0.5))--(u*(8,1))--(u*(7.5,1))--(u*(7.5,2))--(u*(8,2))--(u*(8,3))--(u*(11,3))--(u*(11,1.5))--(u*(10,1.5))--(u*(10,1))--(u*(11,1))--(u*(11,0.5))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal H}_3$ etex,iso(u*(8,0.5),u*(11,3)));
draw (u*(11.5,3))--(u*(12,3.5))--(u*(12,4))--(u*(12.5,4.5))--(u*(13,4.5))--(u*(13.5,4))--(u*(13.5,3.5))--(u*(14,3))--cycle withpen pencircle scaled 1.5bp;
label(btex ${\cal H}_4$ etex,iso((u*(11.5,3)),(u*(12,3.5)),(u*(12,4)),(u*(12.5,4.5)),(u*(13,4.5)),(u*(13.5,4)),(u*(13.5,3.5)),(u*(14,3))));
drawoptions(withpen pencircle scaled 1.5bp);
draw arccercle(u*(13.5,1.5),u*(14,1),u*(14,1.5))--(u*(11.5,1))--arccercle(u*(11.5,1),u*(12,1.5),u*(11.5,1.5));
draw arccercle(u*(13.5,1.5),u*(13,2),u*(13,1.5))--(u*(12.5,2))--arccercle(u*(12.5,2),u*(12,1.5),u*(12.5,1.5));
label(btex ${\cal H}_5$ etex,u*(12.75,1.5));
draw arccercle(u*(14.5,1),u*(15,0.5),u*(15,1))--(u*(18,0.5))--arccercle(u*(18,0.5),u*(18.5,1),u*(18,1))--(u*(18.5,4))--arccercle(u*(18.5,4),u*(18,4.5),u*(18,4))--(u*(15,4.5))--arccercle(u*(15,4.5),u*(14.5,4),u*(15,4))--cycle;
draw cercle(u*(16,2),0.5u);
drawoptions();
fill cercle(u*(16,2),0.5*u) withcolor blanc;
label(btex ${\cal H}_6$ etex,u*(16,1));
fin;
end