![]() There are usually two simple steps to find the area of a circle from the given circumference of a circle. ![]() The area of a circle formula in terms of the circumference is given by the formula \(\dfrac\). The circumference of a circle can be used to find the area of that circle. With this formula, we can directly find the area of the circle, from the measure of the diameter of the circle as shown in the above example. Generally from the diameter, we need to first find the radius of the circle and then find the area of the circle. The diameter of the circle is twice the radius of the circle. The area of the circle formula in terms of the diameter is: Area of a Circle = πd 2/4. Note: Alternatively, we can find the radius(r) first and then apply πr 2 formula.Īnswer: The area of the circle is 113.1 square units. Calculate its area.Īnswer: The area of the circle is 50.27 squared units.Įxample 2: The length of the largest chord of a circle is 12 units. Let us consider the following illustrations based on the area of circle formula.Įxample 1: If the length of the radius of a circle is 4 units.
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