Răspuns :
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
l=2L/3
2(L+2L/3)=562
5L/3=281
L=168.6 dam
l=112.4 dam
perimetrul =562
suma=[tex] \frac{perimetru}{2} [/tex]
=[tex] \frac{562}{2} [/tex]
=281
latimea= [tex] \frac{2}{3} [/tex] x lungime
2x+3x=281
5x=281
x=281:5
x=56,2
56,2x2=112,4(latimea)
56,2x3=168,6(lungimea)
suma=[tex] \frac{perimetru}{2} [/tex]
=[tex] \frac{562}{2} [/tex]
=281
latimea= [tex] \frac{2}{3} [/tex] x lungime
2x+3x=281
5x=281
x=281:5
x=56,2
56,2x2=112,4(latimea)
56,2x3=168,6(lungimea)