Răspuns :
L-l=39
L=l+39
P=2l+2L=2l+2(l+39)
2l+2l+78=702
4l=702-78
4l=624
l=156
L=156+39=195
L=l+39
P=2l+2L=2l+2(l+39)
2l+2l+78=702
4l=702-78
4l=624
l=156
L=156+39=195
L-l=39
perimetru' = 2(l+L)=702
l+L=702:2
=351
l+L=351
L-l=39 ⇒l+L+L-l=39+351
2L=390
L=390:2
L=195
l=351-L
=351-195
l=156
perimetru' = 2(l+L)=702
l+L=702:2
=351
l+L=351
L-l=39 ⇒l+L+L-l=39+351
2L=390
L=390:2
L=195
l=351-L
=351-195
l=156