Answer:
81 cm^2
Explanation:
A square is a 2d shape with side lengths all the same.
To find the area, all you need is one side length, which is 9cm in this case.
Then you just square the number (9 x 9) to get 81 cm^2 (centimetre squared).
area of square = s×s
9×9
81cm²
hope it helps...!!!
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