Răspunsuri

2014-05-07T17:57:34+03:00
Uite aici :)
l=?
L= 3l
P= 2×(l+3l)
32= 2l + 6l
32= 8l
l= \frac{32}{8}
l=4
Aria= L×l
      = (3×4) ×4
      = 12 × 4
      = 48