The circumference of a circle is calculated using the following formula:
C = π d
If the diameter ("d") is equal to 3 feet, then simply substitute in this value:
C = π * 3
C = 9.4 feet
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The circumference of a circle with a diameter of 3 feet is 9.4 feet.
Circumference: 24*pi = 75.398 feet to 3 decimal places
The circumference of a circle with a diameter of 3 inches is 9.425 inches.
Well, darling, if the diameter of a circle is 6 feet, then the radius is half of that, which is 3 feet. The formula for the circumference of a circle is 2πr, so plug in the radius (3 feet) and you get a sassy circumference of 6π feet. Hope that clears things up for you, sugar!
The circumference of a circle = pi*diameter. 6 feet 3 inches = 6.25 feet, pi*6.25 = 19.63495408 feet or the circumference of the circle is nearly 20 feet.