Question

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Answer 1

Răspuns:

P= 2L+2l = 2(L+l)  =224 m

L+l= 224:2 = 112 m

l= $\frac{L}{3}$ +8     l-8= $\frac{L}{3}$  => L= 3(l-8) = 3l-24

L+l=112    3l-24+l= 112

4l= 112+24= 136    l= 136:4= 34 m latimea

L= 112-34= 78 m lungimea

Answer 2

Salut!

P=2(L+l)=224m=>L+l=112m

$l=\frac{L}{3} +8$

$\frac{L}{3} +8+L=112m=>4L+24=336=>4L=312=>L=78m$

$l=26+8=34m$

Bafta!