Central angle (θ)

Key term for Edexcel GCSE Mathematics, used in Mensuration and Calculation.

Definition

The angle formed at the centre of the circle by two radii meeting the arc.

Exam Context

Central angle (θ) appears in Edexcel GCSE Mathematics revision content for Geometry and Measures, especially Mensuration and Calculation and Arcs and Sectors.

Geometry and Measures Mensuration and Calculation Arcs and Sectors

Found in Revision Notes

Geometry and Measures

Arcs and Sectors

Mensuration and Calculation • Arcs and Sectors

Revise note

Related Key Terms

Arc Circumference Major sector Minor sector

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Pi (π)

Radius (r)

Sector