Answer:
12
Step-by-step explanation:
as it is a square so it will have 4 identical sides
and area is length multiplied by width so you would find the square root of 144
[tex] \sqrt{144 } = 12[/tex]
then because area your only multiplying those two values and because a square is identical
all sides will be 12cm
[tex] {12cm}^{2} [/tex]
