Question 1117257
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The area of the walkway = area of the large rectangle - area of the park. 


    The dimensions of the large rectangle are  62+2*4.5 = 71 ft  and  48+2*4.5 = 57 ft.


Therefore, the area under the question is  71*57 - 62*48 = 1071 square feet.
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Solved.