Răspunsuri

2014-05-24T16:15:38+03:00
Aria=L*l
240=80*l
l=240:80
l=3

P=l+l+L+L
P=80+80+3+3
P=160+6
P=166
2014-05-24T16:17:34+03:00
Pai aria =lungime ori latime deci,240=80ori latime ,latimea =240 impartit la 80 =3.Si perimetrul =2lungime+2 latime =2ori 80+2 ori 3=166cm