Question

the area of a square if 4489 cm square then the length of its side is

Answer 1

Area of square = 4489
Area of square = length X length
                         = $l^{2}$
$l^{2}$ = 4489
l = $\sqrt{4489}$
  = 67cm

Answer 2

area of square=side*side
4489=side^2
side=√4489
=67cm

Hope it helps.....