Răspunsuri

2014-05-15T14:10:40+03:00
A) A=Lxl
50=10xl⇒l=50/10=5 m
P=2(L+l)=2(10+5)=30 m

b) A=Lxl
22.5=Lx2.8⇒L=22.5/2.8=8.03 m
P=2(L+l)=2(8,03+2,8)=21,66 m