Răspunsuri

2014-06-12T17:12:27+03:00
P=2(L+l)=562 dam
l=2L/3
2(L+2L/3)=562
5L/3=281
L=168.6 dam
l=112.4 dam
2014-06-12T17:13:39+03:00
Perimetrul =562

suma= \frac{perimetru}{2}

= \frac{562}{2}  

=281
latimea=  \frac{2}{3} x lungime

2x+3x=281
5x=281
x=281:5
x=56,2
56,2x2=112,4(latimea)
56,2x3=168,6(lungimea)