Răspuns :
P=l+l+L+L=600
2l+2L=600 /:2
l+L=300
L=50+l
l+50+l=300
2l=300-50
2l=250
l=250:2
l=125
L=50+125
L=175
latura patrat=L
latura patrat=175
P patrat=4xl
P patrat=4x175
P patrat=700
2l+2L=600 /:2
l+L=300
L=50+l
l+50+l=300
2l=300-50
2l=250
l=250:2
l=125
L=50+125
L=175
latura patrat=L
latura patrat=175
P patrat=4xl
P patrat=4x175
P patrat=700
1)600+50=650m 2)650:2=325 m (Lungimea dreptunghiului) 3)325-50=275m (latimea dreptunghiului) Perimetru patratului=325х4=1300m