Answer:
Each side is 35.78 mm
Step-by-step explanation:
A square would have 4 equal sides. Since area of a square is x^2, where x is one side, we can write:
x^2 = 1280
x = 35.78 mm
5 x y + 5 x + 4 y + 4
5x(y+1)+4(y+1)
(y+1)(5x+4)
please extend the photo
