Respuesta :

Answer:

72.42

Step-by-step explanation:

given ,

width=57m

length=?

area of rectangular pool =4218m^2

we know that,

area of rectangle= L×B

so,

therefore

area of rectangular pool=4218m^2

=> l × b = 4128

=> l × 57 = 4128

=> l = 4128/57

=> l = 72.42 m