If you are talking about a circle then the circumference would be 65.97
It is: 21*pi feet
The circumference of a 21 circle is: 65.97 (diameter x pi = circumference).
A circumference of 40.02 feet.
A circumference of 9.42 feet.
A circumference of 1,884.96 feet.
If a circle has a diameter of 21 feet the circumference is: 65.97 feet (diameter x Pi = circumference).
65.94 feet
To find the circumference of a pool with a diameter of 21 feet, you can use the formula for circumference, which is C = π × d. Plugging in the diameter: C = π × 21 feet. This gives you approximately 66.0 feet when using 3.14 for π. Thus, the circumference of a 21-foot pool is about 66 feet.
It is: 21*pi feet
66 feet
65.97344573 to eight decimal places.
The circumference of a 21 circle is: 65.97 (diameter x pi = circumference).
The circumference is equal to the diameter multiplied by Pi (about 3.1416):8 feet x 3.1416 = circumference of 25.1328 feet
The circumference is 12.566370614359172 feet.
A circumference of 40.02 feet.
A circumference of 9.42 feet.
A circumference of 1,884.96 feet.