Question

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Answer 1

try this one method. I hope it will help a little

Answer 2

area of square = a^2
25^2 = 625
area of circle = 3.14(r)^2
3.14(12.5)^2 (radius is half of diameter)
=490.625
divide that by 2
=245.31
subtract 625 by 245.31
=379.69
=379.7 ft^2