Răspunsuri

2014-04-06T16:55:49+03:00
P=2L+2l
L=2l
300=2*2l+2l
300=4l+2l
300=6l
l=300:6
l=50
L=2*50
L=100
10 4 10
2014-04-06T16:58:33+03:00
P=(l+L)2=>2l+2L=300=>2l+2x2l=300=>6l=>300=>l=50=>L=2X50=100m.(L=lungimea l=latimea)
2 2 2