Area of a circle: pi*radius squared
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Circumference = 7*pi which is about 22 inches
The radius is 7 inches.
153.94 square meters
7 feet 6 inches is 7.5 feet Hence Area = 7.5 x 7 = 52.5 square feet
Of course. If the length of each side is 7/4 inch (which is the same as 1.75 inches), then the perimeter is 7 inches.