If the diameter is 112 inches then the radius is half that = 56 inches (assuming it's a circular object) The area is Pi times the Radius squared and lets approximate Pi to 22/7 as it works out nicely ;-) Radius = half the diameter 22/7 times 56 times 56 in square inches =9856 SQUARE INCHES to convert to square feet you divide 12*12 =144 9856/144 = 68.4444 SQUARE FEET
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Area of a circle = pi R2.R = radius = 1/2 the diameterFor diameter of 224 ft, radius = 112 ft.Area = pi x (12)2 = 144 pi = 452.39 square ft (rounded)
112 sq. ft.
The area of a circle with a 13 ft diameter is: 132.7 square feet.
Area = 415.48 ft2
The area is 56.745 feet2