Respuesta :

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

64 = x²

√64 = x

8 = x

So the length of a side is 8

gmany

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

[tex]A=a^2[/tex]

We have A = 64. Substitute:

[tex]a^2=64\to a=\sqrt{64}\to a=8[/tex]

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

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