The area of a square is 169 cm2. Find its: (i) one side (ii) perimeter
Let each side of the square be x cm.
Its area = x2 = 169 (given)
x = √169
x = 13 cm
(i) Thus, side of the square = 13 cm
(ii) Again perimeter = 4 (side) = 4 x 13 = 52 cm