The area A of a circle as a function of its diameter d; the area of a circle of diameter 4

The formula used to calculate circle area is: A = π x (ø / 2) 2. Symbols. A = Circle area; π = Pi = 3.14159 ... ø = Circle diameter; Diameter of Circle. Enter the diameter or two times the radius of a circle. Area of Circle. This is the area contained within a circle with the specified diameter.

Step-by-step explanation:

If jа vascript is not working on your browser, or in case you are simply curious, here is the procedure for calculating the diameter of a circle from its area. For an example, we have an area of 303,000 square meters.