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Area of circle = Pi/4 x D2 Pi/4 = .7854 Area = .7854 x 14 x 14 = 153.94 square feet (rounded)
7900
It is: 7.854*103
7 thousand 8 hundred and 54
Area = (Pi/4)*diameter2 = .7854*4.452 = 15.5528 sq.cm.