Circumference = 2*radius
Area = 2*pi*radius2
Area = 2*pi*(circumference/2)2
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Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius
Using the circumference, you would find the radius first. The circumference C = 2*Pi*r where r is the radius. Then, the area of the circle = Pi*r^2.
To find the area of a circle using the circumference, you need to use the formula Area=Circumference squared divided by four times pi. For this type of equation, pi would be equal to 3.14.
The area of a circle when the circumference is 10 inches is: 7.96 square inches.
Circumference of a circle = 2*pi*radius or diameter*pi Area of a circle = pi*radius squared