Respuesta :

Answer:

120 m

Step-by-step explanation:

Width - x

Length - 5x

x*5x = 500m²

5x² = 500 m²

x²= 500 ÷ 5

x²= 100

x = root 100

x = 10

Therefore width = 10

length 5*10 = 50

Perimeter = 2(l+w)

= 2(10 + 50)

=2*60

=120