Mathematics GCSE
tangent and radius
What tangent and radius means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of tangent and radius
Check what you remember
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Reference: Pearson Edexcel
A tangent touches the circle at exactly one point, while a radius joins the centre to the curve.
Topics that use tangent and radius
- Geometry and measures - Properties and constructions (Pearson Edexcel GCSE)
Related terms
- Alternate segment
- Angle properties
- Angle properties in circles
- Arc
- centre
- Chord
- Circumference
- Congruence and similarity
Using tangent and radius in the exam
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