Final answer:
The side length of the square is 10 m.
Step-by-step explanation:
The formula to find the area of a square is Area = side length x side length. Given that the area is 100 m2, we need to find the side length.
Substituting the given value of area into the formula, we have 100 = s x s.
To solve for s, we take the square root of both sides of the equation: s = √100 = 10 m.
Therefore, the side length of the square is 10 m (Option a).
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