Diameter of circle: 21/pi = 6.685 units rounded to 3 decimal places
Its diameter is: 21/pi = 6.685 inches rounded
66 feet
Circumference is pi times diameter. Diameter is circumference divided by pi. Diameter is twice the radius. Radius is half the diameter.
Diameter = Circumference/pi
Since the circumference is Pi times the diameter then divide the circumference by Pi (3.14159) to get the diameter
The circumference of a circle that has a diameter of 21 is about 65.97
If a circle has a diameter of 21 feet the circumference is: 65.97 feet (diameter x Pi = circumference).
The circumference of a 21 circle is: 65.97 (diameter x pi = circumference).
Circumference = 21*pi
Circumference = Diameter x pi = 21 pi = 65.973 inches(rounded)
The diameter is approximately 6.7
Divide your circumference by pi. Diameter is 66 / 3.141592654 = 21 inches.
65.94
Its diameter is: 21/pi = 6.685 inches rounded
The circumference of a circle with a 21 mile diameter is 66 miles (approx).
It is: 21*pi feet
21 inches