Răspuns :
Răspuns:
a) aria=36=l^2 => l=6 cm => P= 6×4=24 cm
b) aria=25=l^2 => l=5 dm => P=5×4=20 dm
c) aria=100=l^2 => l=10 m => P=10×4=40 m
A=l²
P=4×l
A-aria
l-latura
P-perimetrul
a)36cm²=l² => l=6cm
P=4×6=24cm
b)2500cm²=l² => l=50cm
P=4×50=200cm=20dm
c)1000000cm²=l² => l=1000cm
P=4×1000=4000cm=40m