The circumference is about 15.7 feet.
pi * 5 = 15.7079633 Circumference = pi * Diameter
Diameter of a circle = circumference/pi
The circumference of a 13.5 diameter circle is: 42.41(diameter x pi = circumference).
the formula to start off with is the circumference is pi x diameter therefore re-arranging the formula the diameter is the circumference divided by pi diameter = circumference / pi = 18ft 8in / 3.1415 = 5ft and 11 inches to the nearest inch (to be more precice to diameter is 5ft 11.3 inches--- note it is more difficult to work in feet and inches and easier to work in metres and centimetres)
If a circle has a diameter of 19, the circumference is: 59.7 (diameter x Pi = circumference)
The circumference of any circle is (pi) x (its diameter). If diameter = 1 then Circumference = pi .
A circle with a circumference of 11.25 has a diameter of: 3.581
If the diameter of a circle is 9 the circumference is: 28.3
If a circle has a diameter of 5 the circumference is: 31.4
The circumference of a circle that has the diameter of 8 is: 25.1
The diameter of a circle with the circumference of 3.25 is: 1.034
If the circumference of a circle is 17.27, the diameter is: 5.5