URGENT DAU COROANA!!!!!!PE FOAIE

URGENT DAU COROANAPE FOAIE class=

Răspuns :

P=200 dam=2000 m
L=3× l
P=2(L+l)
2000=2(3 l+ l)
2000:2=4 l
l=1000:4=250 m
L=3×250=750 m