Question

the area of a square is 64sq cm What is the side of the square​

Answer 1

we know that

area of square = (side)²

therefore 64cm²=a²

a=8cm

hence side is 8cm.

Answer 2

Hey mate..

area of square =
$side {}^{2} = a {}^{2}$
$a {}^{2} = 64$
$a = \sqrt{64}$
$a = 8$
Hope it helps you