Circumference of a circle = 2*pi*radius or pi*diameter
Circumference of a circle = 2*pi*radius or pi*diameter
Circle's circumference = 2*pi*radius or diameter*pi
Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).
The formula for the area of a circle is pi * radius squared. The circumference of a circle's formula is pi * diameter. NOTE: pi equals approx. 3.14
Because:- circumference/diameter = pi and when the formula is rearranged circumference = pi*diameter
the formula for pi is the ratio of the circumference of a circle to the diameter of the circle
Formula: diameter = pi / circumference
pi*diameter = circumference Rearrange the formula so as the diameter is the subject of the formula: diameter = circumference/pi diameter = 7/pi = 2.228169203
circumference of a circle = 2*pi*radius or pi*diameter
Circumference of a circle = 2*pi*radius
The formula for the circumference of a circle is the same, whatever its diameter. Circumference = pi*diameter.
Circumference of a circle = diameter*pi or 2*pi*radius