Final answer:
The upper bound for the area of the square is 64 cm².
Step-by-step explanation:
To calculate the upper bound for the area of the square, we can use the formula: Area = side x side. Since the sides of the square are given as 8 cm, the area of the square can be calculated as: Area = 8 cm x 8 cm = 64 cm². The upper bound for the area of the square is 64 cm².
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