Bonjour ,
a) périmètre ;
Figure 1: 8 u.l
Figure 2: 14 u.l
Figure 3: 14 u.l
Figure 4: 12 u.l
Figure 5: 17 u.l
Figure 6: 12 u.l
Figure 7: 10 u.l
Figure 8: 8 u.l
b) aire
Figure 1: 4 u.a
Figure 2: 6 u.a
Figure 3: 6 u.a
Figure 4: 5 u.a
Figure 5: 6,25 u.a
Figure 6: 4,25 u.a
Figure 7: 3,5 u.a
Figure 8: 2,5 u.a
