There are about 38.48 square feet in a 7' diameter circle
A 72-inch diameter circle has an area of: 28.3 square feet.
A 48-inch diameter circle has an area of: 12.57 square feet.
A circle with a diameter of 77 feet will cover 4657 square feet.
1256.64 square feet
A circle with a diameter of 18 feet has an area of 254.5 square feet.
A circle with a diameter of 24 feet has an area of 452 square feet.
There are: 99225*pi square feet
153.93804 square feet.
23.76 square feet, approx.
3.14159265 square feet.
Area = 3.976 square feet