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# Sectors
- URL: https://www.esheets.io/sectors/
- Published: 2026-07-09T20:09:47.000Z
- Updated: 2026-07-09T20:09:47.000Z
- Author: Richard Linnington
- Tags: Geometry and Shape, Maths, Topics

A sector is a section of a circle formed by two radii and an arc. Questions involving sectors often require you to find arc lengths, areas or missing angles by working with a fraction of a full circle.

Explore our sectors worksheets, guides and interactive resources to practise calculating arc length and sector area and solving circle problems at GCSE.

- [Perimeter of a sector](https://www.esheets.io/perimeter-of-a-sector/)
- [Area of a sector](https://www.esheets.io/area-of-a-sector/)