Mathematics GCSE
Radius
What Radius means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Radius
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Reference: AQA
Any straight line segment from the centre to a point on the circle; all radii of the same circle are equal.
A line segment from the centre of a circle to a point on its circumference. All radii of the same circle have equal length.
A straight line segment from the centre to a point on the circumference, or the length of that segment.
A line segment from the centre of a circle to a point on its circumference, or its length.
The distance from the centre of a circle to its circumference. It is half the diameter.
The distance from the centre of a circle or sphere to its circumference or surface.
Topics that use Radius
- Mensuration and calculation (AQA GCSE)
- Properties and constructions (AQA GCSE)
- Geometry and measures - Mensuration and calculation (Pearson Edexcel GCSE)
- Geometry and measures - Properties and constructions (Pearson Edexcel GCSE)
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
Using Radius in the exam
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