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A 48-inch diameter circle has an area of: 12.57 square feet.
A circle with a radius of 7 feet has an area of 153.94 square feet.
113 square feet.
If the circle has a diameter (all the way across) of 15 feet,then its area is 176.7 square feet, rounded to one decimal place.
A circle with a radius of 10 feet has an area of 314.16 square feet.