In any circle, the ratio of circumference to diameter is (pi).
Chat with our AI personalities
Circumference = 2*pi*radius or diameter*pi
mutiply by pi 3.14159265.............................................
10/pi = 3.1831 feet (rounded)
If that's the diameter, multiply the diameter by pi (which is about 3.1416). If it's the radius, multiply it by (2 x pi).
You multiply the diameter by Pi, that is 3.14159 (to the nearest 5th decimal). circumf. = dia. x Pi.