Circular sector is a very special geometric form in plane geometry. The following article introduces to you the concept of what a sector is, the formula for calculating the area of a circular sector, ...

Enter the circle’s radius in the indicated field and select the dimension unit. Optionally, you can use the diameter and perimeter – circumference to calculate the circle’s area. If we have a circle ...

All of you must have been calculating the area of a circle since your primary academic years. The area of a circle is a basic concept in Mathematics. It forms an important part of Geometry. Though ...

So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...

A circle is a simple, closed shape with all of its points at an equal distance from the center. The area enclosed by a circle, known as its surface area, is an essential concept to know in mathematics ...

The formula to calculate the area of a circle, with radius \(r\) is: \(\text{area of a circle} = \pi r^2\) ...