Q: What is the area of a circle with a radius of 9ft?

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Area = pi*92 = 254.469 square feet to 3 decimal places

Remember the circle equation. A = pi r^(2) A = 3.141592.... (9ft)^2 = A = 3.141592... 81sq.ft A = 254.4690049... sq.ft. ~ 254.5 sq.ft.

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

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Area = pi*92 = 254.469 square feet to 3 decimal places

the circumfrence of a circle is pi times it's radius squared.

Remember the circle equation. A = pi r^(2) A = 3.141592.... (9ft)^2 = A = 3.141592... 81sq.ft A = 254.4690049... sq.ft. ~ 254.5 sq.ft.

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