Răspunsuri

2014-05-29T19:24:20+03:00
P=2l+2L=1,84

L=3l

2l+2*3l=1,84
2l+6l=1,84
8l=1,84
l=0,23

L=3*0,23
L=0,69

A=L*l
A=0,69*0,23
A=0,1587
1 5 1
2014-05-29T19:35:43+03:00
P = 2L + 2l
L = l*3
P = 2(l*3) + 2l
P = 6l + 2l
1.84 = 8l
l = 1.84/8
l = 0.23
L = 0.23*3
L = 0.69
A = L * l
A = 0.69 * 0.23
A = 0.1587m^2