Răspuns :
l------------l latimea
l------------l-----------l----------l---------l lungimea
--------------------------------
252 diferenta dintre lungime si latime
4-1=3 segmente egale
252=3 segmente egale
252:3=84 latimea
84x4=336 lungimea
l------------l-----------l----------l---------l lungimea
--------------------------------
252 diferenta dintre lungime si latime
4-1=3 segmente egale
252=3 segmente egale
252:3=84 latimea
84x4=336 lungimea
l=latimea
L=lungimea
l=L-252
l=L:4, L=4l
l=4l-252
3l=252
l=84m
L=4·84=336m
P=2(L+l)=2(336+84)=2·420=840m
L=lungimea
l=L-252
l=L:4, L=4l
l=4l-252
3l=252
l=84m
L=4·84=336m
P=2(L+l)=2(336+84)=2·420=840m