sector area
What sector area means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of sector area
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Reference: AQA
The area of a sector, found as (θ/360) × πr², a fraction of the circle's area πr² determined by the angle θ at the centre.
The fraction of a full turn, θ/360, multiplied by the whole area of the circle, πr².
Topics that use sector area
- Mensuration and calculation (AQA GCSE)
- Geometry and measures - Mensuration and calculation (Pearson Edexcel GCSE)
Related terms
- arc length
- Circumference
- Diameter
- Frustum
- Hypotenuse
- included angle
- perpendicular height
- Pythagoras' theorem
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