Answer :
Final answer:
The side length of the floor is closest to 10 ft.
Explanation:
To find the side length of the square floor, we can use the formula for the area of a square: length^2 = area. We are given that the area is 98.5 ft^2, so we can substitute this value into the equation: length^2 = 98.5 ft^2. Taking the square root of both sides gives us the length: length = √98.5 ft. Using a calculator, we find that this is approximately 9.9 ft. Since 9.9 ft is closest to 10 ft, the measurement closest to the side length of the floor is 10 ft.
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