Question 337440
square box top open
so the surface area will be 5 times the area of each face.
since the box is open at  top only 5 sides.
let lebgth be x
area of 1 face of the box = x^2
5x^2 = total area.
5x^2=108
x^2= 108/5
x^2= 21.6 
take sqrt
x= sqrt 21.6
4.65 inches is the side of the box