Cicumference = π*d = 56.55 units
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Circumference = pi*diameter So C = pi*18 = 56.5 units (approx).
The circumference of a circle with a diameter of 18 inches is 56.5 inches.
If pi is taken as 3.14 then:- Circumference of the circle = pi*18 units Area of the circle = pi*92 square units
The circumference of a circle is determined by multiplying the diameter (d) by the number pi. Therefore, the circumference of a circle with a diameter (d) of 18 feet is 18pi or 18x3.14159265358979323846... Roughly 56.54866776461627829228.
The circumference of a circle with a diameter of 18 metres is 56.5 metres, approx.