Sector
Jargon-Free Definition
A piece of a circle between two radii and an arc.
QCAA/AC9 Definition
A region of a circle bounded by two radii and the included arc.
Examples of Word Use in School
- Shade the sector.
- Solve the area of the sector.
- Label the major sector.
Mathematical Definition
A part of a circle enclosed by two radii and the arc joining their endpoints.