254.47 square feet.
Area = pi*92 = 254.469 square feet to 3 decimal places
Area of a circle = pi R2 = 81 pi = 254.47 square ft (rounded)
The area of a circle of radius 21 is 1386
Area of a circle = pi*radius squared
The area of a circle with a radius of 14.4 is 651.4
Area = pi*92 = 254.469 square feet to 3 decimal places
Area of a circle = pi R2 = 81 pi = 254.47 square ft (rounded)
the circumfrence of a circle is pi times it's radius squared.
Since your circle has a diameter of 9 feet (the definition of a "9 by 9" circle), the radius is half of that distance. In this case, your radius is 4.5 feet or 54 inches.
63.62 square feet.
The area of a circle if the radius is 9m 254.5m2
The radius of a circle with the area of 36 is 3.385
The area of a circle of radius 21 is 1386
Area of a circle = pi*radius squared
The area of a circle with a radius of 14.4 is 651.4
A circle with a radius of 135 units has an area of 57,255.53 square units.
A circle with a radius of 10m has an area of 314.16 m2