Area of a Circle: Definition, Calculation, Application Examples

The area of a circle is one of the fundamental concepts of geometry, which is of great importance in our daily life. To better understand what the area of a circle is, let's look at its definition. The area of a circle is the area occupied by the surface bounded by the circle. In other words, it is the area of the inner part of the circle, which is determined by its radius or diameter. There is a special mathematical formula for calculating the area of a circle.