diameter is 3 ft diameter = 2*radius diameter/2 = radius 3/2 = 1.5 ft = radius area is pi * radius2 3.14 * (1.5)2 3.14 * 2.25 = 7.065 sq ft
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There are about 38.48 square feet in a 7' diameter circle
1256.64 square feet
Area = 3.976 square feet
3.14159265 square feet.
69.1 square feet.