Question

The area of a square is 64. what is the length of a side

Answer 1

The formula of an area of a square with side a:

`A=a^2`

We have A = 64. Substitute:

`a^2=64\to a=√(64)\to a=8`

Answer: The length of a side is equal 8 units.

Answer 2

Area of a square = (length of a side)²

64 = x²

√64 = x

8 = x

So the length of a side is 8