### Possible Answer

... them is 'square footage'. Area of a circle = (pi) x (radius)2 Radius = 1/2 of the diameter Area of your circle = (pi) x (22.5)2 = 506.25 (pi) = 1,590.43 square feet (rounded) Share to: What is the formula to calculate the square footage of a circle? The area ... sq. footage of the circle ... - read more

Take your measurement. Since you want to have an answer in square feet, you need to use feet as your basic unit for measurement. This means when you measure the radius of your circle, you need to convert it to feet. - read more

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