Circumference = (pi) x (diameter)
Diameter = (circumference)/(pi) = 72/pi feet, exactly.
That's the only way to write the exact diameter.
It can't be done with numerical digits.
Circumference of a circle = (pi) x (diameter) = 42 pi = 131.947 feet (rounded)
If the circumference of a circle is 20 feet the diameter is: 6.366 feet (circumference divided by pi = diameter).
The circumference of a circle with a diameter of 50 feet is about 157.1 feet. (diameter x Pi = circumference).
A circle with a diameter of 9 feet has a circumference of about: 28.27 feet (diameter x Pi = circumference).
Assuming the pool is circular with diameter 38 feet, then the circumference equals (pi) x diam/4 = 3.14 x 38/4 feet = 29.83 feet.
Circumference of a circle = (pi) x (diameter) = 42 pi = 131.947 feet (rounded)
Your question is incomplete. What is the question? Total diameter, outer circumference, what?
Circumference of the circular pool: 20*pi feet
Circumference = pi x diameter = 3.1415 x 12 = 37.698 feet
The diameter of a circle with a 48 feet circumference is: 15.28 feet (circumference divided by Pi = diameter).
The circumference of a circle with a diameter of 20 feet is: 62.83 feet (diameter x Pi = circumference).
The circumference of a circle with a diameter of nine feet is: 28.27 feet (diameter x Pi = circumference).
If the circumference of a circle is 20 feet the diameter is: 6.366 feet (circumference divided by pi = diameter).
The circumference of a circle with a diameter of 50 feet is about 157.1 feet. (diameter x Pi = circumference).
A circle with a diameter of 9 feet has a circumference of about: 28.27 feet (diameter x Pi = circumference).
If a circle has a diameter of 21 feet the circumference is: 65.97 feet (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