He does not have enough material
The given parameters are
Area = 75 square feet
Perimeter of material = 32 feet
Calculate the side length using
Length = Perimeter/4
So, we have
Length = 32/4
Evaluate
Length = 8
The area is
Area = 8^2
Evaluate
Area = 64
64 is less than 75
Hence, he does not have enough material
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