Respuesta :

a = lw

l = [tex] \frac{a}{w} [/tex]

w = 50 mm

a = 250 sq. mm

l = [tex] \frac{250}{50} = \frac{25}{5} [/tex] = 5 mm

Hence, the length is 5 mm.

Answer:

Length = 5mm

Step-by-step explanation: