660.52 square feet
Area of the circle: pi*20 squared = 400*pi 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.
There is no such thing as a "square circle". If you mean "8 square feet", that is already the area.
A circle with an 18-foot diameter has an area of: 254.5 square feet.
A circle that has an area of 78.5 square feet has a diameter of 10 feet.
Area of circle: 81*pi square feet
A circle with a radius of 14 feet has an area of 615.75 square feet.
A circle with a radius of 9 feet has an area of 254.47 square feet.
A circle with a radius of 7 feet has an area of 153.94 square feet.
A circle with a radius of 80 inches has an area of 139.6 square feet A circle with a circumference of 40.5 feet has an area of 130.5 square feet
Area of the circle = pi*2.52 square feet
The area of a circle with a radius of 3 feet is: 28.27 square feet.