Question

van rog dau 30 puncte

Answer 1

L-l=P-50
P/2=3(L-l)

P=L-l+50
P=6(L-l)

6(L-l)=L-l+50
6(L-l)-(L-l)=50
5(L-l)=50
L-l=50:5
L-l=10

P=6x10=60 m

P=perimetru
L=lungimea
l=latimea
L,l=dimensiunile dreptunghiului