circumference = π x diameter => diameter = circumference ÷ π ~= 20ft ÷ 3.14 ~= 6.37 ft
The circumference of a circle with the diameter of 14 ft is: 44 feet.
The circumference of a 27-foot diameter circle is about 84.82 feet. (diameter x Pi = circumference).
The circumference of a circle whose diameter is 1.5 ft is: about 4.712 feet.
Circumference = (pi) x (diameter) = 13 pi = 40.84 ft(rounded)