Răspuns :
12). (45+35):2=40
l=40
Ppatrat=40x4=160m
Aria=160:100=1,6ari
15) a.3,3525
2,5425
4919,9325
2,24275
b.7,41205
36,833066
1,3125
1,855456
l=40
Ppatrat=40x4=160m
Aria=160:100=1,6ari
15) a.3,3525
2,5425
4919,9325
2,24275
b.7,41205
36,833066
1,3125
1,855456