sector
part of speech
noun (a sector, sectors)
meaning for a pupil
1) (maths) A sector is a part of a circle between two radii and the curve, shaped like a slice of pie. tree →
2) A sector is a part or area of a place, like a part of a city. tree →
3) A sector is one part of a country's business or work, like farming or health. tree →
sense in the lessons
In maths lessons: pie charts are made of sectors; a sector of a circle has an angle at the centre. In social studies: the public sector, the health sector. Phrases: «sector of a circle», «the public sector», «private sector».
examples
- Each sector of the pie chart shows one favourite fruit. tree →
- A quarter of a circle is a sector with an angle of 90 degrees. tree →
- The farm sector employs many people. tree →
- The soldiers patrolled their sector of the city. tree →
- The biggest sector of the chart was football. tree →
- Shade the sector between the two radii. tree →
note
In a pie chart, sector angle = (part ÷ total) × 360°. A sector is not the same as a segment (the part between a chord and the curve).
Trees and pragmatics
Every meaning and example of «sector» parsed by Mova, each sentence with its dependency tree and frames.