Area of a circle in terms of circumference. Diagram 1 Area of Circle Concept The area of a circle is all the space inside a circles circumference. A C2 4p.
In order to find the area of this piece you need to know the length of the circles radius.
Diagram 1 Area of Circle Concept The area of a circle is all the space inside a circles circumference. Area of a circle p d2 2. Or when you know the Diameter. Area C2 4p 31422 4p 98722 4314 98722 1256 7854 square cm 78539816339745 cm exactly or limited to the precision of this calculator 13 decimal places.