Area of a circle measured in square units = pi*radius2
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The formula for calculating the area of a circle - is Pi x r x r... where r is the radius.
4 * pi * r * r15 Fby subcooling20The formula for calculating the area of a circle - is Pi x r x r
Take the diameter of the circle times 3.14159 (which is PI).
Area formula for circle= --,,- r 2
The formula to find the area of a circle is pi x the radius squared.