7 square inches is the area in this case.
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A circle with a diameter of 7 inches has an area of 38.48 square inches.
Area = 1/2*7*14.4 = 50.4 square inches
Its dimensions are 6 inches by 7 inches because 2(6+7)=26 inches and 6*7=42 square inches
Area = 5*7 = 35 square inches
The rectangle is 35 square feet, which would be 5,040 square inches