Respuesta :
[tex]l=2w\\
2w+2l=48\\\\
2w+2\cdot2w=48\\
2w+4w=48\\
6w=48\\
w=8\\\\
l=2\cdot8\\
\boxed{l=16}[/tex]
l =2w.
P= 2l + 2w
P = 2(2w) + 2w
P = 6w
48 = 6w
Width = 8 cm.
Length = (48-16)/2 = 16 cm
P= 2l + 2w
P = 2(2w) + 2w
P = 6w
48 = 6w
Width = 8 cm.
Length = (48-16)/2 = 16 cm