Thus if there were a total of 2826 squares the area of this circle would be 2826 cm 2 However it is easier to use one of the following formulas. Using Radius to Find Area. Now that you know how to calculate the area of a circle we encourage you to try our other circle calculators.
The formula for area of a circle is A p r2 where r the radius of the circle and p 3141592.
H is at right angles to b. Calculating Area from the Diameter. In this video you will learn how to find the area of a circle. Or when you know the Circumference.