Assuming the 12ft is the diameter of the circle. The formula is A = pi x r2
Pi = 3.14 for general use.
Therefore, (6 x 6) x 3.14 = 113.04ft2
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Circumference = 2 * pi * radius 12 pi ft = 2 pi radius radius of the circle = 6 ft Area = pi *radius2 Area = pi (6)2 Area = 36 pi ft2
Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or pi*diameter
Assuming the circle has a diameter of 12', its area is pi*62 = 113.1 sq ft (approx). Four pavers of 4ft x 8 ft, each with an area of 32 sq ft will cover 128 sq ft in all. However, it will be necessary to use the offcuts.
The area of a circle with a 13 ft diameter is: 132.7 square feet.
Area of a circle = pi*radius2