Question

part b
complete the equation to find the length of a side of a square that has an area of 64 cm²
√□ = □

Explanation:

Step1: Recall area formula for square

The area formula of a square is $A = s^{2}$, where $A$ is the area and $s$ is the side - length. Given $A = 64\ cm^{2}$, we need to solve for $s$. Taking the square - root of both sides of the equation $s^{2}=64$, we get $s=\sqrt{64}$.

Answer:

$\sqrt{64}=8$