A 72-inch diameter circle has an area of: 28.3 square feet.
A 56-inch diameter circle has an area of about 17.06 square feet.
A 20-inch diameter circle contains: 314.16 square inches.
A 36-inch diameter circle has an area of: 1,017.9 square inches.* * * * *which is 7.07 square feet.
A circle with a diameter of 300 inches has an area of 490.87 square feet.
A circle with a diameter of 14 feet 9 inches has an area of: 170.87 square feet.
13.6354 square feet (rounded)
60 inch diameter = 2.5 ft radius.Area = pi*r2= 19.6 sq feet.
There are 100*pi square inches in a 20 inch diameter circle
Area of circle: pi*2.75 squared = 23.758 square feet to three decimal places
A 4.75-inch diameter circle contains 17.72 square inches.
Area of circle: pi*(20/12)^2 = 8.727 square feet rounded to 3 decimal places