Răspunsuri

2014-08-26T09:56:14+03:00
L=4l
2(l+L)=2(l+4l)=2*5l=10l=32,6cm
l=3,26cm
L=13,04 cm
2014-08-26T09:56:17+03:00
L=4l
P=32.6
P=2l+2L=32.6   /:2
L+l=16.3
4l+l=16.3
5l=16.3
l=16.3:5
l=3.26

L=3.26*4
L=13.04