The circumference of a circle with a diameter of 4 feet is about 12.57 feet. (C = d x Pi).
It is 4 pi feet, or about 12.57 feet.
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its 12.56
The circumference of a 4 foot circle is: 12.57 feet(diameter x pi = circumference).
Given a circle with a diameter of 4, the circumference is: 12.6 (diameter x Pi = circumference).
The circumference of a circle is the diameter times pi (3.141) so therefore a 4 meter circumference circle has a diameter of 1.273 m E.g. 4 / 3.141 = 1.273
You don't mention whether the 4 feet is the circumference, diameter or radius. The area of a circle is pi times the radius squared. If 4 feet is the circumference, the area is about 1.3 feet squared. If 4 feet is the diameter, the area is about 12.6 feet squared. If 4 feet is the radius, the area is about 50.3 feet squared.
the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi