Răspuns :
1.369m:3=123m (are latimea)
123x2+369x2=984m (are PERIMETRUL)
R: 984m
2.45mx2=90m (are lungimea)
90x2+45x2=270m (are PERIMETRUL)
270x4=1080m (de sarma)
R:1080m
3. 760-250x2=260:2=130m (are latimea)
R: 130M
123x2+369x2=984m (are PERIMETRUL)
R: 984m
2.45mx2=90m (are lungimea)
90x2+45x2=270m (are PERIMETRUL)
270x4=1080m (de sarma)
R:1080m
3. 760-250x2=260:2=130m (are latimea)
R: 130M
1. L=369
l=369;3=123
P=2X369+2X123=738+246=984
2.L=2l=2X45=90
l=45
P=90+180=270
270X4=1080 M DE SARMA
3.) P=2L+2l=760=2X250+2L=500+2L
L=(760-500):2=130
5)L=240M
l=2/3 DIN 240=160
P=480+320=800
GARD DIN LEMN=600
GARD VIU=200
6)P=1000
L=2/3 DIN P;2
l=369;3=123
P=2X369+2X123=738+246=984
2.L=2l=2X45=90
l=45
P=90+180=270
270X4=1080 M DE SARMA
3.) P=2L+2l=760=2X250+2L=500+2L
L=(760-500):2=130
5)L=240M
l=2/3 DIN 240=160
P=480+320=800
GARD DIN LEMN=600
GARD VIU=200
6)P=1000
L=2/3 DIN P;2