Just multiply the diameter by pi, which is approximately 3.14.
The circumference of a circle with a diameter of 20 centimeters is: 62.83 cm (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 if its diameter is 20 inches is: 62.83 inches (diameter x Pi = circumference).
Circumference of the circle is: pi*20'
Circumference = 20*pi mm
The diameter will be about 6.37
The diameter is 20.
The circumference of a circle with a diameter of 20 feet is: 62.83 feet (diameter x Pi = circumference).
circumference = π x diameter => diameter = circumference ÷ π ~= 20ft ÷ 3.14 ~= 6.37 ft
circumference in feet = 20*pi
Circumference = (pi) x (diameter) Diameter = Circumference/pi 62.8/pi = 19.98986 (rounded) which is awfully close to 20.
The diameter of a 20 foot circumference circle is about 6.366 feet. (C / Pi = diameter).