Divide the diameter by 2 to get the radius. Then use the standard formula for the area of the circle (which is pi times radius squared).
1.069 sq feet, approx.
13.6354 square feet (rounded)
Area of circle: pi*2.75 squared = 23.758 square feet to three decimal places
There are 100*pi square inches in a 20 inch diameter circle
19.63 square inches are in the area of a 5-inch diameter circle.
The area of a 3-inch diameter circle is about 7.068 square inches.
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 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.
Area of circle: pi*2.75 squared = 23.758 square feet to three decimal places
There are 100*pi square inches in a 20 inch diameter circle
Area of circle: pi*(20/12)^2 = 8.727 square feet rounded to 3 decimal places