The area that would be painted will be 144 square feet
From the question, we are to determine the area of the cube-shaped shed that was painted
From the given information,
The cube-shaped shed has 6-foot high walls
From the formula for the surface area of a cube,
Surface area = 6s²
Where s is the measurement of a side
A cube has six sides
Since, the floor and ceiling are not painted,
The area of the shed that was painted will be
Surface area painted = 4s²
s = 6 feet
Thus,
Surface area painted = 4 × 6²
Surface area painted = 4 × 36
Surface area painted = 144 square feet
Hence, the area that would be painted will be 144 square feet
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