Question

Find the length of the side of s square whose area is 441 m square​

Answer 1

Answer:

I kept a pic...

Step-by-step explanation:

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Answer 2

Answer:

21m

Step-by-step explanation:

$area = {side}^{2} \\ 441 = {side}^{2} \\ \sqrt{441} = side \\ 21m = side$