The formula for area of a circle is:
A = pi * r2 (area equals pi times radius squared)
There fore if you plug in the numbers you know (pi = 3.14) you get
125 = 3.14 * r2
39.8 = r2
r = 6.31 inches
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A circle of radius r has an area of Pi*r*r, where Pi is the constant which is approximately 3.14159.
A circular shape with an area of 125 sq ft has a radius of 6.31 ft (approx).
There are 10 feet and 5 inches in 125 inches.
Area of circle: pi*125 squared = 49,087 square feet rounded to the nearest whole number
125 inches 12 inches in a foot * 10 feet + 5 inches = 125