# Area of a sector calculator

## About Area of a sector calculator (Formula)

The Area of a Sector Calculator is a mathematical tool used to calculate the area of a sector, which is a portion of a circle enclosed by two radii and an arc. It aids in geometry and trigonometry, helping students, engineers, and architects find the area of sectors in circular shapes. The formula for calculating the area of a sector involves using the central angle (in degrees or radians) and the radius of the circle.

Formula for calculating Area of a Sector:

Area = (Central Angle / 360°) * π * r^2

In this formula:

• “Central Angle” represents the angle subtended by the sector at the center of the circle.
• “π” (pi) is a mathematical constant approximately equal to 3.14159.
• “r” is the radius of the circle.

For example, if the central angle of a sector is 60 degrees, and the radius of the circle is 5 units, the area of the sector would be calculated as follows:

Area = (60° / 360°) * π * 5^2 ≈ 1.309 square units

The Area of a Sector Calculator simplifies the process of finding the area of a sector, aiding users in geometry and trigonometry calculations involving circular shapes. By inputting the central angle and the circle’s radius, the calculator quickly provides the area of the sector, making it easier for students, professionals, and enthusiasts to perform accurate geometric calculations.