Respuesta :

ghanami
hello : 
x : length     y : width
2(x+y) = 28....(1)
x= 2y+2....(2)
subsct in : (1)
2(2y+2+y) =28
3y+2=14
 3y=12
y= 4 m
x= 2(4)+2 = 10 m