Divide the circumference by 2pi(3.14). That will give you the radius.
Square the radius and multiply by pi
That will give you the area.
Calculate the radius by dividing the circumference by 2pi. Then square the radius and multiply by pi to get the area.
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What do you have? The area of the circle or the circumference? Area: divide the area by pi, then square root it Circumference: divide the circumference by 2 then divide it by pi
Area of a circle = 3.14 * r2 Thus, radius, r = root of ( Area of a circle / 3.14 ) --------- equation 1 Circumference of circle = 2 * 3.14 * r Therefore, from (equation 1), Circumference = 2 * 3.14 * root of ( Area of a circle / 3.14 ). In a nutshell, first find the radius and then the circumference.
You multiply the circle's diameter by 3.14 (Pi) to get the circumference.
Diameter = circumference/pi
Divide its circumference by 2*pi which will give the radius of the circle. Area of the circle then is pi*radius squared