Perimeter of sector: The perimeter of a circle sector

The perimeter of a circle sector is the combined length of two radii and the arc that forms the sector. The formula to calculate the perimeter of a sector is derived below. Our Perimeter of a Sector Calculator page will help you to find the perimeter of a sector of a circle. Perimeter of a sector The perimeter is the distance all around the outside of a shape. We can find the perimeter of a sector using what we know about finding the length of an arc. A sector of a circle is a portion or part of a circle that is composed of an arc and its two radii. Learn more about its types, formula, facts, and example.